GitHub System Administrator
$81.5k - $138.55kICF
Join ICF’s IT Modernization Team — Where Innovation Meets ImpactOur IT Modernization division is seeking a skilled GitHub System Administrator to support enterprise software delivery and DevOps transformation initiatives. In this role, you will administer, configure, and optimize GitHub as a mission-critical platform, enabling teams to collaborate efficiently, maintain code quality, and deliver secure, scalable solutions.This position plays a key role in supporting federal or enterprise environments by ensuring GitHub is properly governed, integrated, and aligned with organizational standards for security, compliance, and performance.What You’ll Do as a Git Hub System AdministratorThe GitHub System Administrator is responsible for maintaining the health, security, and scalability of the GitHub ecosystem. This includes repository management, access control, automation, integration, and support for CI/CD workflows.Platform Administration & ConfigurationAdminister GitHub organizations, repositories, and teams.Configure repository settings, branch protection rules, and access controls.Manage user roles, permissions, and team structures following least-privilege principles.Establish and enforce governance standards for repository naming, structure, and usage.Configure GitHub Projects, Issues, Discussions, and Wikis for collaboration.Automation & Workflow ManagementDesign, implement, and maintain GitHub Actions workflows for CI/CD pipelines.Automate routine tasks such as issue triaging, labeling, and notifications.Optimize workflows for performance, scalability, and reliability.Integrate GitHub with external CI/CD tools where applicable.Integration & API ManagementConfigure and manage integrations with third-party tools (e.g., CI/CD platforms, security scanners, etc.) Manage GitHub Apps, OAuth Apps, and webhooks.Troubleshoot API-related issues and ensure secure connectivity with external systems.Maintain and rotate API tokens, secrets, and credentials securely.Security & ComplianceImplement and monitor security best practices, including branch protection rules, secret scanning, dependabot alerts, code scanning (SAST), etc.Conduct access reviews and ensure compliance with organizational and federal security requirements.Manage audit logs and support compliance reporting.Enforce policies for secure coding and repository usage.Environment & Release SupportSupport release management processes, including tagging, versioning, and release notes.Coordinate deployments across environments in collaboration with DevOps and engineering teams.Maintain consistency across development, staging, and production repositories.Support rollback strategies and incident recovery.Data & Repository ManagementOversee repository lifecycle management (creation, archival, deletion).Manage large file storage (Git LFS) and repository performance optimization.Support data migration between repositories or from other version control systems. Ensure backup and recovery strategies are in place.Troubleshooting & System SupportDiagnose and resolve issues related to repositories, permissions, workflows, and integrations.Provide Tier 2/Tier 3 support for GitHub-related incidents.Collaborate with developers and DevOps teams to resolve build and deployment issues.Support QA and testing workflows integrated with GitHub.Collaboration & Stakeholder CommunicationWork closely with developers, business analysts, DevOps engineers, and security teams.Document system configurations, workflows, and troubleshooting procedures.Provide guidance and mentorship to junior team members on GitHub best practices.Deliver training sessions and onboarding support for new GitHub users.Basic Qualifications3+ years of experience administering GitHub (Enterprise Cloud or Server).Strong understanding of Git version control concepts (branching, merging, pull requests).3+ years of hands-on experience with GitHub Actions and CI/CD workflows.3+ years of experience managing user access, permissions, and repository governance.Familiarity with REST APIs and integration troubleshooting.Ability to obtain and maintain a Public Trust clearance (for federal environments).U.S. Citizenship requiredPreferred QualificationsBachelor’s degree in Information Systems, Computer Science, or related field3+ years of experience with GitHub Enterprise administration.Knowledge of security tools integrated with GitHub (e.g., Snyk, CodeQL).Understanding of compliance frameworks (e.g., FedRAMP, NIST).3+ years of experience supporting cloud platforms (AWS, Azure, or GCP).1+ years of prior experience in federal or public sector environments.Ability to support multiple release cycles and deployment pipelines.Preferred CertificationsGitHub Certified Administrator or GitHub Actions CertificationAWS / Azure DevOps certificationsSecurity certifications (e.g., Security+, CISSP)Why Join ICFAt ICF, you’ll have the opportunity to work on impactful projects that transform how Federal agencies serve the public. We foster a collaborative, innovative environment where your ideas are valued, your growth is encouraged, and your work makes a real difference.Job Location: This position requires that the job be performed in the United States. If you accept this position, you should note that ICF does monitor employee work locations and blocks access from foreign locations/foreign IP addresses, and also prohibits personal VPN connections.#Li-cc1#IndeedBot and Third-Party ApplicationsPlease note that this application must be submitted directly by the applicant for consideration. Failure to do so may result in the application being excluded for consideration. Applicants needing an accommodation for disability or religious purposes in connection with the application process should contact View email address on click.appcast.io for assistance.Working at ICFICF is a global advisory and technology services provider, but we’re not your typical consultants. We combine unmatched expertise with cutting-edge technology to help clients solve their most complex challenges, navigate change, and shape the future.We can only solve the world's toughest challenges by building a workplace that allows everyone to thrive. We are an equal opportunity employer. Together, our employees are empowered to share their expertise and collaborate with others to achieve personal and professional goals. For more information, please read our EEO policy.We will consider for employment qualified applicants with arrest and conviction records.Reasonable Accommodations are available, including, but not limited to, for disabled veterans, individuals with disabilities, and individuals with sincerely held religious beliefs, in all phases of the application and employment process. To request an accommodation, please email View email address on click.appcast.io and we will be happy to assist. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodations. Read more about workplace discrimination rights or our benefit offerings which are included in the Transparency in (Benefits) Coverage Act. Candidate AI Usage PolicyAt ICF, we are committed to ensuring a fair interview process for all candidates based on their own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) tools to generate or assist with responses during interviews (whether in-person or virtual) is not permitted. This policy is in place to maintain the integrity and authenticity of the interview process. However, we understand that some candidates may require accommodation that involves the use of AI. If such an accommodation is needed, candidates are instructed to contact us in advance at View email address on click.appcast.io. We are dedicated to providing the necessary support to ensure that all candidates have an equal opportunity to succeed. Pay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position. The pay range for this position based on full-time employment is:$81,499.00 - $138,549.00Nationwide Remote Office (US99)SummaryLocation: Reston, VAType: Full time
$165k - $179k
...Systems Administrator Location: Reston, Va Clearance- TS/SCI w/FSP Salary: $165k-179k/yr The above salary range represents the range... ...Experience working with DevOps CI/CD related technologies (Github, Jenkins, Puppet, Docker, Rundeck, etc.) • Experience with...Suggested- ...Job Description We are actively seeking a Systems Administrator with a minimum of 11 years of experience. An undergraduate or graduate degree... ...• Agile Methodology and continuous improvement mindset • GitHub experience and other source control systems • Strict...Suggested
$146k - $194k
...technology, and business model of the 21st century’s most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril’s family of systems is powered by Lattice OS, an AI-powered operating system that turns...SuggestedFull timeWork experience placementImmediate start$73.45k - $132.78k
Leidos has an opening for a Systems Administrator in Reston Virginia. Responsibilities include installation, configuration, administration, support and maintenance of systems, including associated hardware. Responsibilities may include management of systems infrastructures...SuggestedFull timeWork experience placement$99k - $225k
Hardware Systems AdministratorThe Opportunity:Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. What... ...pipelines such as GitLab CI, Jenkins, or GitHub ActionsKnowledge of IP tables and...SuggestedFull timeContract workPart timeWork at officeLocal areaRemote work- Company DescriptionArtech Information Systems is the #12 Largest IT Staffing Company in the U.S. and an employer of choice for over 7,000 consultants. We recruit world-class talent for IT, engineering, and other professional jobs at 70+ Fortune and Global 500 companies...Full time
$90.3k - $189.6k
Job Title: Systems AdministratorsJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee... ...enterprise IT systems and services. CACI is seeking Systems Administrators at the Journeyman, Senior, and Subject Matter Expert (SME)...Contract workWork experience placementWork at officeLocal areaImmediate startFlexible hours$112k - $179k
ResponsibilitiesJob Summary:We are seeking a highly skilled and experienced System Administrator to join our team. This position will require the candidate to work closely with government customers, contractor Project Lead, Information Systems Security Officer (ISSO),...Contract workFor contractorsShift work- ...effective installation and performance of advanced operating system hardware and software on servers. • Install new software releases... ...projects • Thorough knowledge of good server and system administration principles Additional InformationAll your information will be...Work experience placement
$86.6k - $181.8k
Job Title: DevSecOps Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start... ...maintaining a critical DoD system? Join our team as a Systems Administrator! You will get to use your technical skills to implement and...Contract workWork experience placementFlexible hours- ICF Incorporated, LLC: Enterprise Atlassian Administrator- Reston, VADUTIES:Lead the architecture and administration of ICF’s Atlassian Enterprise... ...Jira integrations with other applications like ServiceNow, GitHub and Azure DevOpsProficient in third party add-on research &...Full timeContract workWork experience placementWork at officeRemote work
- ...POSITION OVERVIEW The Senior Systems Administrator ensures the stable operation of Customer's computer software systems and network connections in support of the DoD. This role is responsible for planning, installing, configuring, maintaining, and optimizing network software...Contract workLocal areaRemote work
- ...Sr Systems AdministratorReston, Virginia (On-site)Role OverviewWe are seeking a Senior Systems Administrator to support a long-term contract. The successful candidate will be responsible for planning, designing, and implementing infrastructure changes and system upgrades...Long term contract
- ...Responsibilities Support the National Programs Intelligence Systems & Application Operating Unit. Perform installation, configuration... ...with 3+ years of experience. Proven experience in system administration, specifically with Linux, including RHEL and Ubuntu, and UNIX...
- ...Overview VTG is seeking a skilled Systems Administrator to manage, maintain, and support enterprise IT infrastructure. This role is responsible for ensuring the reliability, security, and performance of servers, networks, and systems while supporting day-to-day operations...
$190k - $210k
...Job PostingMarkon is seeking an experienced Systems Administrator to support and maintain enterprise IT infrastructure in a secure, mission-focused environment. The ideal candidate will have deep experience managing Linux and Windows environments, implementing security...Temporary workFlexible hours- ...Systems AdministratorWe are seeking a Systems Administrator to join our team. Working at NT Concepts means that you are part of an innovative, agile company dedicated... ...of application deployment methodologies using GitHub, Jenkins, Ansible, and JBoss Servers.Solid...Work experience placementRemote workRelocation
$104k - $166k
...Systems Administrator Job Locations US Requisition ID 2026-169758 Position Category Information Technology Clearance Public Trust Responsibilities Peraton is seeking a System Administrator. This position is...Contract workFor contractorsWork at officeRemote workShift workWeekend workAfternoon shift- ...Systems Administrator IIAmpcus Inc. is a certified global provider of a broad range of Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented team.Location: Reston, VAJob Location: Assist in server operations,...
- ...System Administrator System Administrator Herndon, VA Active TS/SCI with Polygraph Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized...Work experience placementShift workNight shift
$150k - $180k
...certifications in addition to other position specific requirements which may impact salary Position Overview The System Administrator manages and supports enterprise, regional, and local server environments hosting mission-critical applications and...Full timeLocal area- ...Systems AdministratorSecuriport LLC is a U.S. company based in Reston, VA, specializing in the design and implementation of passenger... ..., and technical support to field operations.The Systems Administrator is responsible for supporting and maintaining Securiport's IT...Contract workLocal areaMonday to Friday
$82.55k - $110.05k
...Systems AdministratorAmerican College of Radiology (ACR) is a progressive membership organization representing nearly 40,000 medical... ...our team!We are seeking a reliable and detail-oriented Systems Administrator to oversee, maintain, and secure our core IT infrastructure....Local areaFlexible hours- ...System AdministratorReston, VA, USA Full-time Clearance: Top Secret/SCIJob DescriptionAs a systems administrator on our program, you will:Provide resolve break fix tickets and ensure customers receive the highest level of customer support.Help customers overcome tough...Full time
- ...established in 2006 to provide computing and consulting services for government and commercial entities. Our services improve Information System networking performance and compliance and protect electronic assets from loss and compromise. This is a DEVOPS focused position....Local area
$118.1k - $200.76k
...Systems AdministratorBAE Systems is a leading global defense, security, and aerospace company. We're seeking a highly skilled Systems Administrator to join our dynamic team, supporting our government customer in driving innovation, efficiency, and security in the rapidly...Full timeLocal area- ...Description: • Provide Domain/Systems Administrator Engineer of the Mission LAN, and oversee the maintenance, optimal function, and patching of the LAN’s operating system, and the GOTS, COTS, and custom software products running on it. • Perform system startup, shutdown...Full timeFor contractorsWork at officeRemote workRelocationFlexible hoursShift work
- ...Job Title: Systems Administrator Location: Herndon, VA (Hybrid: 3 days/week onsite: Tuesday, Wednesday, Thursday) Type: 6+ months Contract Rate: $Open /hr. Job Description: The ideal candidate is a reliable, hands-on Microsoft 365 administrator with strong...Contract workWork at office3 days per week
- ...Systems AdministratorUS Citizenship is required. An active TS/SCI is required. An adjudicated Full Scope Polygraph is required prior... ...VADPG Solutions is looking for a mid- to senior-level Systems Administrator to support a classified customer environment in Springfield, Virginia...
- ...Sr Systems Administrator Be Challenged and Make a Difference In a world of technology, people make the difference. We believe if we invest in great people, then great things will happen. At AnaVation, we provide unmatched value to our customers and employees through...Temporary workImmediate start
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