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Concept Solutions is seeking a Senior Linux Administrator to support the FAA’s Infrastructure & Operations (I&O) Program in managing, securing, automating, and optimizing enterprise Linux and hybrid cloud environments across physical, virtual, and cloud-based infrastructure. This role is responsible for Linux systems administration, OS lifecycle management, automation, security compliance, patching, and infrastructure modernization in support of mission-critical FAA operations.

The Senior Linux Administrator will serve as a technical expert supporting Red Hat Enterprise Linux (RHEL) across enterprise environments. This position focuses on advanced Linux administration, automation, cloud provisioning, security hardening, patching, storage, virtualization, and operational consistency through infrastructure-as-code and DevSecOps practices. The ideal candidate brings strong scripting, cloud, virtualization, and security expertise with the ability to support large-scale enterprise deployments while maintaining FAA operational and compliance standards. Participation in monthly weekend patching rotation with partial flex scheduling.

Linux Systems Administration & Engineering

• Administer, configure, maintain, and troubleshoot enterprise Linux environments consisting of RHEL 7+.

• Manage Linux OS lifecycle processes including automated deployment, provisioning, maintenance, patching, and decommissioning across physical, VMware, Nutanix, and cloud environments

• Build and deploy Linux systems from bare metal, virtual infrastructure, and cloud platforms using standardized automation frameworks

• Manage Linux storage, partitioning, RAID groups, file systems, volume management, and backup/recovery processes

• Support Linux Active Directory integration, FreeIPA authentication services, and enterprise identity management

Automation, Scripting & DevSecOps

• Develop and maintain automation solutions using Python, Bash, PowerShell, Terraform, and Ansible

• Automate OS deployments, patching, software distribution, server configuration, and lifecycle management

• Build and manage AMIs, deployment templates, and cloud/virtual images

• Support Git/Bitbucket workflows and DevSecOps toolchains

• Leverage AI-assisted development tools (e.g., Visual Studio Code frameworks) to improve operational efficiency

Security, Compliance & Patching

• Implement and maintain Linux security controls including SELinux, iptables, STIGs, OpenSTIG, and OS firewall configurations

• Perform vulnerability remediation, security hardening, and compliance validation

• Execute automated OS patching using tools such as Tanium or Red Hat Satellite

• Participate in scheduled monthly patching rotations, including weekend maintenance windows

• Support change control, audit readiness, and agency security initiatives

Cloud, Virtualization & Infrastructure

• Provision and manage AWS/Azure cloud services including EC2, S3, RDS, Security Groups, and cloud accounts

• Support VMware and Nutanix guest OS deployment and management

• Manage enterprise storage solutions across virtualization and cloud platforms

• Troubleshoot network connectivity, TCP/IP, subnetting, and port/service dependencies

Operations, Documentation & Collaboration

• Support incident, service request, and break-fix activities through Jira and ServiceNow

• Document operational procedures, deployment processes, and technical standards in internal knowledge bases/Wikis

• Collaborate with Agile teams, infrastructure engineers, security teams, and application owners

• Provide exceptional customer service while supporting enterprise stakeholders

What we're looking for

• Bachelor’s degree in Information Technology, Computer Science, or related field and 8+ years of relevant experience

• Strong experience administering Red Hat Enterprise Linux (RHEL 7+) environments

• Strong scripting experience in Python and Bash

• Experience with Terraform, Ansible, PowerShell, Git/Bitbucket

• Knowledge of Linux security including SELinux, iptables, STIG implementation, OpenSTIG

• Experience with AWS/Azure cloud provisioning

• Experience with VMware and/or Nutanix

• Knowledge of Active Directory integration

• Experience with Tanium, Satellite, or enterprise patch automation

• Strong TCP/IP networking fundamentals

• Ability to obtain RHCSA certification or equivalent

Preferred Qualifications

• AWS Cloud certifications (Cloud Practitioner plus advanced certification such as Solutions Architect, Developer, or Security)

• Experience with FreeIPA

• Experience supporting large-scale federal or regulated enterprise environments

• Familiarity with Agile/DevSecOps methodologies

• Experience with enterprise backup/recovery strategies

Work Location and Schedule

Primary Location: Atlantic City, NJ

Schedule: Hybrid- 3 days a week in the office

FAA Personnel Suitability clearance required (AMS 3.14-2)

Compensation: $95K to $108K

Company Profile:

Founded in 1999 and headquartered in Reston, Virginia, Concept Solutions, LLC (CS) is a leading small business in technology, engineering, and management consulting. We are the innovative and agile force behind strategic solutions that enhance organizational efficiency and safeguard our nation across Aerospace, Defense, and National Security sectors.

For over 25 years, CS has been a trusted partner for the Federal Aviation Administration (FAA), Department of Homeland Security (DHS), Department of Justice (DOJ), Department of Defense (DoD) and other federal agencies delivering vital IT, security, and project management services.

Our commitment to excellence is reflected in our adherence to CMMI-DEV ML3, ISO 9001:2015, ISO/IEC 20000-1:2018, and ISO/IEC 27001-1:2013 standards. CS boasts company highlights that include:

Over two decades of experience across over $300 million in contract awards supporting critical FAA programs

Multiple contract vehicles providing opportunities across FAA, DoD, NOAA, and other Federal agencies

Innovation Council - CS maintains an active Internal Research and Development (IR&D) program that is geared towards identifying emerging technologies and pursuing technological innovations

At CS, we know our success stems from our talented team. That’s why we prioritize the wellbeing and growth of our employees, fostering a positive culture centered on innovation, engagement, and career development.

Benefits: Concept Solutions offers a competitive benefits and salary package you would receive from a large company. We offer health, dental, vision and life insurance, as well as a comprehensive 401(k) plan with matching and immediate vesting.

Concept Solutions is an Equal Opportunity Employer, and we value workplace diversity. We invite resumes from all interested parties and consider applicants for all positions without regard to race, color, religion, sex, national origin, age, marital status, sexual preference, personal appearance, family responsibility, the presence of a non-job-related medical condition or physical disability, matriculation, political affiliation, veteran status, or any other legally protected status. Concept Solutions is a VEVRAA federal contractor, and we request priority referral of veterans for available positions.

Concept Solutions is seeking a Microsoft 365 Administrator (Exchange Online and Teams) that is responsible for administering, supporting, and optimizing Microsoft 365 services across the FAA’s large-scale enterprise environment serving approximately 60,000 users. This role provides advanced technical expertise for Exchange Online, Teams, and related collaboration platforms. The analyst ensures service reliability, drives process improvements, authors high-quality documentation, and provides Tier-3 support for complex issues. This position may require participation in a 24x7 rotational on-call support schedule.

Work Location and Schedule

• Primary Location: Washington, DC
• Schedule: 40 hours per week, Monday through Friday, with core working hours from 9:00 a.m. to 3:00 p.m. local time.
• Telework may be permitted when determined to be in the best interest of the Government
• FAA Personnel Suitability clearance required (AMS 3.14-2)

M365 Administration & Support

• Administer and support Microsoft 365 services, including Exchange Online, Teams, and other Collaboration Services applications
• Process service requests and resolve incidents in a timely and customer-focused manner
• Provide Tier-3 and ad hoc technical support for Collaboration Services in a large enterprise environment
• Perform expert troubleshooting, escalation, and resolution of complex issues across internal teams and vendors
• Support the Google Workspace integration into the environment
  

Documentation & Process Improvement

• Create, review, and maintain SOPs, work instructions, troubleshooting steps, and knowledge-based articles
• Identify gaps in support workflows and recommend automation opportunities and service improvements
• Document and present technical resolutions and support procedures to the broader support team
  

Automation & Reporting

• Utilize M365 tools such as Power BI, Power Apps, and Power Automate to support reporting and automation requirements
• Use PowerShell to develop and maintain scripts for administrative and automation tasks
• Develop and maintain ServiceNow reports
  

Enterprise Tools & On-Call Support

• Use enterprise support tools, including Exchange Admin Center (EAC), Teams Admin Center (TAC), and ServiceNow
• Participate in a 24x7 rotational on-call support schedule, including weekends and holidays, as required

What we're looking for

• Bachelor’s degree in Business Management, Computer Science, or IT Management
• 5+ years of experience in M365 administration (Exchange Online, Teams, related services)
• Troubleshooting and escalation management
• Documentation and knowledge management
• Automation tools (Power Automate, PowerShell)
• Customer service and communication
• Process improvement and service optimization
• Proficiency in technical writing (SOPs, KB articles, instructional guides)
• Strong communication and collaboration skills with the ability to work both independently and in a team environment
• Demonstrated ability to take ownership of complex issues through full lifecycle resolution

Preferred Qualifications

• Experience with ServiceNow reporting
• Familiarity with FAA operational processes and M365 governance frameworks

Salary: $ 100K to $109K

Company Profile:

Founded in 1999 and headquartered in Reston, Virginia, Concept Solutions, LLC (CS) is a leading small business in technology, engineering, and management consulting. We are the innovative and agile force behind strategic solutions that enhance organizational efficiency and safeguard our nation across Aerospace, Defense, and National Security sectors.

For over 25 years, CS has been a trusted partner for the Federal Aviation Administration (FAA), Department of Homeland Security (DHS), Department of Justice (DOJ), Department of Defense (DoD) and other federal agencies delivering vital IT, security, and project management services.

Our commitment to excellence is reflected in our adherence to CMMI-DEV ML3, ISO 9001:2015, ISO/IEC 20000-1:2018, and ISO/IEC 27001-1:2013 standards. CS boasts company highlights that include:

• Over two decades of experience across over $300 million in contract awards supporting critical FAA programs
• Multiple contract vehicles providing opportunities across FAA, DoD, NOAA, and other Federal agencies
• Innovation Council - CS maintains an active Internal Research and Development (IR&D) program that is geared towards identifying emerging technologies and pursuing technological innovations

At CS, we know our success stems from our talented team. That’s why we prioritize the wellbeing and growth of our employees, fostering a positive culture centered on innovation, engagement, and career development.

Benefits: Concept Solutions offers a competitive benefits and salary package you would receive from a large company. We offer health, dental, vision and life insurance, as well as a comprehensive 401(k) plan with matching and immediate vesting.

Concept Solutions is an Equal Opportunity Employer, and we value workplace diversity. We invite resumes from all interested parties and consider applicants for all positions without regard to race, color, religion, sex, national origin, age, marital status, sexual preference, personal appearance, family responsibility, the presence of a non-job-related medical condition or physical disability, matriculation, political affiliation, veteran status, or any other legally protected status. Concept Solutions is a VEVRAA federal contractor, and we request priority referral of veterans for available positions.

Concept Solutions is seeking a Network Engineer specializing in Firewall Support to join our Infrastructure Support Team supporting the Federal Aviation Administration (FAA) Infrastructure & Operations (I&O) Program. This position is part of the Networks Group and plays a critical role in protecting and securing the FAA's enterprise network infrastructure that supports thousands of users and mission-critical aviation systems across the National Airspace System (NAS).

The Firewall Network Engineer will support day-to-day operations, cybersecurity initiatives, and infrastructure projects focused on maintaining a secure, resilient, and compliant network environment.

Work Location and Schedule

• Location Atlantic City, NJ
• Schedule: 40 hours per week, Monday through Friday, with core working hours from 9:00 a.m. to 3:00 p.m. local time. Monday through Friday, core hours 9:00 AM to 3:00 PM local time
• Telework may be permitted when determined to be in the best interest of the Government
• U.S. Citizenship required
• FAA Personnel Suitability clearance required (AMS 3.14-2)

Responsibilities

• Manage multiple Check Point Firewall clusters supporting the FAA Internet Access Point (IAP).
• Manage and support the Zscaler Zero Trust platform, including Internet Access (ZIA), Private Access (ZPA), and Digital Experience (ZDX).
• Implement and manage advanced security capabilities including Intrusion Prevention System (IPS), Anti-Virus, Anti-Bot, Data Loss Prevention (DLP), SSL Interception, and Identity Awareness.
• Monitor, prevent, identify, investigate, and remediate cybersecurity events and threats.
• Participate in annual security assessments, remediation efforts, and compliance activities, including POAM tracking and Trusted Internet Connection (TIC) compliance requirements.
• Support annual Cybersecurity Test Facility exercises, including the development and enhancement of incident response procedures.
• Manage traffic and audit logs for enterprise security systems and maintain historical data supporting Security Information and Event Management (SIEM) applications.
• Collaborate with network, security, and operations teams to ensure the availability, integrity, and security of enterprise network services.

What we're looking for

• Bachelor's degree in Information Technology or a related field and 8 years of IT experience, or 12 years of relevant IT experience in lieu of a degree.
• Experience managing firewall environments supporting large-scale organizations with 35,000+ users.
• Hands-on experience with Check Point, Fortinet, and Zscaler technologies, including monitoring, administration, and troubleshooting.
• Experience preventing, detecting, and remediating cybersecurity incidents and events.
• Experience developing incident response procedures and participating in security assessments.
• Experience tracking, managing, and resolving incidents through a ticket management system.
• Strong written, verbal, and interpersonal communication skills.
• Self-motivated with the ability to take ownership of projects and work independently.

Preferred Qualifications

• Experience supporting large enterprise environments with more than 35,000 users.
• Experience working collaboratively with technical teams, stakeholders, and government customers.
• Experience supporting both remote and onsite operations.
• Experience using enterprise service management platforms; ServiceNow experience is a plus.

Salary: $115K to $125K

COMPANY PROFILE:

Founded in 1999 and headquartered in Reston, Virginia, Concept Solutions, LLC (CS) is a leading small business in technology, engineering, and management consulting. We are the innovative and agile force behind strategic solutions that enhance organizational efficiency and safeguard our nation across Aerospace, Defense, and National Security sectors.

For over 25 years, CS has been a trusted partner for the Federal Aviation Administration (FAA), Department of Homeland Security (DHS), Department of Justice (DOJ), Department of Defense (DoD) and other federal agencies delivering vital IT, security, and project management services.

Our commitment to excellence is reflected in our adherence to CMMI-DEV ML3, ISO 9001:2015, ISO/IEC 20000-1:2018, and ISO/IEC 27001-1:2013 standards. CS boasts company highlights that include:

• Over two decades of experience across over $300 million in contract awards supporting critical FAA programs
• Multiple contract vehicles providing opportunities across FAA, DoD, NOAA, and other Federal agencies
• Innovation Council - CS maintains an active Internal Research and Development (IR&D) program that is geared towards identifying emerging technologies and pursuing technological innovations

At CS, we know our success stems from our talented team. That’s why we prioritize the wellbeing and growth of our employees, fostering a positive culture centered on innovation, engagement, and career development.

Benefits: Concept Solutions offers a competitive benefits and salary package you would receive from a large company. We offer health, dental, vision and life insurance, as well as a comprehensive 401(k) plan with matching and immediate vesting.

Concept Solutions is an Equal Opportunity Employer, and we value workplace diversity. We invite resumes from all interested parties and consider applicants for all positions without regard to race, color, religion, sex, national origin, age, marital status, sexual preference, personal appearance, family responsibility, the presence of a non-job-related medical condition or physical disability, matriculation, political affiliation, veteran status, or any other legally protected status. Concept Solutions is a VEVRAA federal contractor, and we request priority referral of veterans for available positions.

Concept Solutions is seeking an experienced Microsoft 365 Tier 3 Support Engineer with expertise in Exchange Online, Microsoft Teams, and Microsoft 365 Applications to join our team supporting the Federal Aviation Administration (FAA) Infrastructure & Operations (I&O) Directorate.

In this highly visible role, you will provide white-glove Tier 3 support to FAA executives and executive support staff while helping maintain the collaboration platforms that serve more than 60,000 FAA employees and contractors. You'll work with cutting-edge Microsoft technologies, AI-enabled tools, automation, and enterprise-scale collaboration services, partnering with Microsoft, engineering teams, and stakeholders across the organization to deliver exceptional customer experiences.

Location and Schedule

• Location: Washington, DC
• Schedule: 40 hours per week, Monday through Friday, with core working hours from 9:00 a.m. to 3:00 p.m. local time.
• Security Requirement: FAA Personnel Suitability Clearance required.

Salary: $ 100K to $109K

• Provide shift-based, white-glove Tier 3 support for FAA Executives and Executive support teams, including Executive Assistants and Executive IT support staff, resolving both routine and complex collaboration platform issues.
• Troubleshoot and resolve advanced issues involving:
  • Microsoft Exchange Online and Outlook Web Access (OWA)
  • Microsoft Teams
  • Microsoft 365 applications (including Planner and Whiteboard)
  • Integrated Power Platform solutions
  • Google Gemini
  • Google NotebookLM and related collaboration technologies
• Serve as the primary owner of complex support incidents by coordinating timely escalations to internal engineering teams, Microsoft, other technology vendors, and FAA support organizations while maintaining clear communication and visibility through resolution.
• Provide ongoing Tier 3 support for both executive and non-executive users.
• Create, review, update, and maintain support documentation, including Standard Operating Procedures (SOPs), Work Instructions, Knowledge Base Articles (KBAs), and Job Aids.
• Develop, maintain, and enhance scripts supporting operational processes.
• Identify opportunities to improve support workflows through automation and process enhancements.
• Document and present new issues, resolutions, and best practices to the broader support organization.
• Develop and maintain ServiceNow reports.
• Support Collaboration Services initiatives, projects, planned testing, and ad hoc operational requirements.
• Participate in rotating weekend on-call system checks as needed.

What we're looking for

We're looking for someone who combines exceptional technical expertise with outstanding customer service and communication skills.

• Bachelor’s degree in Business Management, Computer Science, or IT Management
• 5+ years of experience in Configuration Management, Change Management, or a closely related IT discipline
• Proven experience providing Tier 3 support to executive leadership.
• Experience delivering Tier 3 support in a large enterprise environment supporting at least 2,000 users.
• Advanced troubleshooting experience with Microsoft 365, including:
  • Exchange Online
  • Outlook Web Access (OWA)
  • Microsoft Teams
  • Microsoft 365 applications
• Demonstrated ability to own complex technical issues from initial investigation through full resolution.
• Experience coordinating ticket escalations with vendors and multiple IT teams in a large enterprise.
• Ability to communicate effectively with senior executives and their support staff.
• Excellent written, verbal, and interpersonal communication skills with the ability to work independently and collaboratively.
• Proven commitment to maintaining high levels of service availability and customer satisfaction.
• Strong analytical and troubleshooting skills utilizing a variety of tools, including AI technologies, to identify root causes, develop workarounds, and implement solutions.
• Experience developing and maintaining PowerShell scripts.
• Experience using Microsoft troubleshooting tools, including MFCMAPI.
• Experience identifying process improvements and automation opportunities.
• Ability to effectively manage multiple priorities in a fast-paced, dynamic environment.
• Strong attention to detail with the ability to work independently.
• Collaborative, proactive, team-first mindset.
• Customer-focused with a demonstrated track record of delivering exceptional service.
• Experience with ServiceNow, including reporting capabilities.

Preferred Qualifications

• Experience with Microsoft Power BI, Power Apps, and Power Automate to support reporting and automation initiatives.
• Previous experience supporting a government agency.
• Familiarity with FAA operational processes and Microsoft 365 governance frameworks.
• Advanced proficiency with Microsoft Office applications, including Word, Excel, and PowerPoint.
• Experience supporting Google Workspace environments.

Company Profile:

Founded in 1999 and headquartered in Reston, Virginia, Concept Solutions, LLC (CS) is a leading small business in technology, engineering, and management consulting. We are the innovative and agile force behind strategic solutions that enhance organizational efficiency and safeguard our nation across Aerospace, Defense, and National Security sectors.

For over 25 years, CS has been a trusted partner for the Federal Aviation Administration (FAA), Department of Homeland Security (DHS), Department of Justice (DOJ), Department of Defense (DoD) and other federal agencies delivering vital IT, security, and project management services.

Our commitment to excellence is reflected in our adherence to CMMI-DEV ML3, ISO 9001:2015, ISO/IEC 20000-1:2018, and ISO/IEC 27001-1:2013 standards. CS boasts company highlights that include:

• Over two decades of experience across over $300 million in contract awards supporting critical FAA programs
• Multiple contract vehicles providing opportunities across FAA, DoD, NOAA, and other Federal agencies
• Innovation Council - CS maintains an active Internal Research and Development (IR&D) program that is geared towards identifying emerging technologies and pursuing technological innovations

At CS, we know our success stems from our talented team. That’s why we prioritize the wellbeing and growth of our employees, fostering a positive culture centered on innovation, engagement, and career development.

Benefits: Concept Solutions offers a competitive benefits and salary package you would receive from a large company. We offer health, dental, vision and life insurance, as well as a comprehensive 401(k) plan with matching and immediate vesting.

Concept Solutions is an Equal Opportunity Employer, and we value workplace diversity. We invite resumes from all interested parties and consider applicants for all positions without regard to race, color, religion, sex, national origin, age, marital status, sexual preference, personal appearance, family responsibility, the presence of a non-job-related medical condition or physical disability, matriculation, political affiliation, veteran status, or any other legally protected status. Concept Solutions is a VEVRAA federal contractor, and we request priority referral of veterans for available positions.