Linux Administrator
Fort Belvoir, VA
Experience: 0
Category: Information Technology
Contractor Work Model: Onsite
Brand: System One
Job ID: 348477
Date Posted: 03/30/2026
Shortcut: http://jobs.systemone.com/CTY4mv
Job Title: Linux Administrator
Location: Fort Belvoir, VA
Type: Direct Hire
Contractor Work Model: Onsite
Security Clearance: Active Secret Clearance Required
Responsibilities
- Support, maintain, and enhance Linux-based systems and services that enable Identity, Credential, and Access Management (ICAM) functions across the enterprise.
- Manage, configure, and maintain Linux servers (RHEL/Oracle Linux/Ubuntu or distributions in use). Perform patching, vulnerability remediation, system hardening, and lifecycle management.
- Monitor system performance, health, and capacity to ensure optimal operations.
- Support ICAM tools and services such as IAM directories, federation services, PKI components, privileged access systems, connectors, and agent-based integrations.
- Ensure secure configuration and uptime for ICAM-related applications hosted on Linux.
- Implement and maintain security baselines (DISA STIGs, CIS Benchmarks, internal policies). Assist with audit requests, logs, identity access reviews, and compliance reporting.
- Manage certificates, key stores, and cryptographic components supporting ICAM services.
- Develop scripts (Bash, Python, Ansible) to automate administrative tasks and deployments.
- Support CI/CD or DevOps workflows used for ICAM platform updates or configuration changes.
- Troubleshoot OS-level and application-level issues.
- Participate in on-call rotations for high-severity ICAM service events and conduct root cause analysis to implement permanent fixes.
- Collaborate with ICAM architects, cybersecurity, network teams, and application teams to support project deliverables, migrations, and environment buildouts.
- Active Secret Clearance required.
- Possession of Security+ or equivalent.
- Strong knowledge of Linux administration (system services, networking, storage, SELinux, etc.).
- Experience with identity or security services (LDAP, SSO, federation, certificates, PAM, SSSD).
- Familiarity with logging platforms (Splunk, ELK) and monitoring tools.
- Scripting experience (Bash, Python, Ansible).
- Understanding of IAM concepts: authentication, authorization, identity lifecycle, RBAC, MFA.
- Knowledge of security hardening and compliance frameworks.
-
Windows Administrator (Secret Clearance)
Fort Belvoir, VA
WINDOWS ADMINISTRATOR (SECRET CLEARANCE REQUIRED) Location: Fort Belvoir, VA Work model:Preferred onsite in Fort Belvoir, VA (for mission support), but open to hybrid or fully remote for the right candidate. Employment Type: Direct Hire Compensation: $...
Date Posted: 03/31/2026 Recommended
-
Power BI Developer (Secret clearance)
Fort Belvoir, VA
Power BI Developer Secret clearance Fort Belvoir, VA – hybrid preferred Must have Security+ or equivalent certification Required Qualifications: • Bachelor’s degree in Computer Science, Information Technology, or a related field. • 3-5+ years of experi...
Date Posted: 03/30/2026 Recommended
-
Software Engineer
Fort Meade, MD
Software Engineer Fort Meade, MD - onsite TS/SCI with Full Scope Polygraph is required Responsibilities Design and develop secure, mission critical software applications. Develop and maintain applications using high level programming languages such as ...
Date Posted: 03/16/2026 Recommended
-
RHEL Systems Administrator (Cameo Administrator)
Warrenton, Virginia
RHEL Systems Administrator (Cameo Administrator) TS/SCI Clearance required Must be IAT Level II certified Warrenton, VA - hybrid (4 days/week onsite) Position Overview: We are seeking a LINUX ADMIN SME for our client with Command Line Interface (CLI) l...
Date Posted: 03/09/2026 Recommended
-
Tester
Fort Meade, MD
Tester Fort Meade, MD - onsite Security Clearance: Active U.S. Government TS/SCI Full Scope Polygraph (FS Poly) Responsibilities Design, develop, and execute test plans, test cases, and test scripts for complex cloud software systems Lead system, integ...
Date Posted: 03/16/2026 Recommended
-
SQL DBA
Alexandria, VA
Job Title: SQL DBA Type: Direct Hire Contractor Work Model: Onsite Security Clearance: Top Secret w/ SCI eligibility Location: Bolling AFB, Washington, DC Clearance: Active TS/SCI or Top Secret (Required) Candidates are expected to have a strong work e...
Date Posted: 03/06/2026 Recommended
-
Database Administrator (TS/SCI clearance)
Quantico, Virginia
Database Administrator Location: On-site in Quantico, Virginia Security Clearance: Top Secret clearance with SCI access or eligibility (TS/SCI). Major Duties & Responsibilities: Install, manage, and maintain database management systems (DBMS) such as M...
Date Posted: 02/13/2026 Recommended
-
Operations Manager (Industrial Scaffolding Projects)
Fort Lauderdale , Florida
System One is seeking an experienced Operations Manager with our client to manage projects in Ft. Lauderdale-area operations and oversee a growing team delivering critical access and safety solutions for construction projects. This position offers a fu...
Date Posted: 04/09/2026 Recommended
-
Senior Engineer - Structural
Fort Worth, TX
Job Title: Senior Engineer - Structural Location: Fort Worth, TX Type: Direct Hire Compensation: $120,000.00 Work Model: Hybrid – onsite and remote Hours: 40.0 Requirements Bachelor of Science in Civil or Structural Engineering. Active Professional Eng...
Date Posted: 04/17/2026 Recommended
-
Physical Access Engineer
Washington, District Of Columbia
Job Title: Physical Access Control (PACS) Integration Engineer Location: Washington, District of Columbia Type: Contract to Hire Work Model: Remote Hours: 40 hours/week Security Clearance: Public Trust Overview We are supporting a federal program seeki...
Date Posted: 04/03/2026 Recommended
-
Information Systems Security Manager
JBPHH, Hawaii
Job Title: Information Systems Security Manager Location: JBPHH, Hawaii Type: Direct Hire Compensation: $130,000.00 - $137,000.00 Contractor Work Model: Onsite – onsite Hours: 40.0 Security Clearance: Active Secret Clearance required Responsibilities: ...
Date Posted: 04/14/2026 Recommended
-
DevSecOps Engineer (AWS Cloud)
Gaithersburg, MD
DevSecOps Engineer (AWS Cloud) Hybrid-Remote Gaithersburg, MD Contract-to-Hire Compensation: $97/hour Security Clearance: Public trust required to start Overview We’re hiring a Mid-Level DevSecOps Engineer to help build and scale a Common Automation Pl...
Date Posted: 04/28/2026 Recommended
-
Sr. Cloud Security Specialist (AWS)
Washington, DC
Senior Cloud Security Specialist 100% ONSITE in Washington DC Per Federal contract U.S. Citizenship Required Must be able to pass enhanced FBI background screening (criminal, financial and finger printing) for Public Trust clearance Performance Period:...
Date Posted: 04/28/2026 Recommended
-
ICAM Engineer
Springfield, VA
Title: ICAM Engineer Location: On-site Springfield, Virginia Clearance: Top Secret Contact: Crystal.dinnocenti@systemone.com REQUIREMENTS: 10+ years experience with ICAM solution design, build and operations Experience with building and configuring Tha...
Date Posted: 03/16/2026 Recommended
-
Server Administrator
Corvillas, OR
Job Title: Server Administrator III (Contract) Company: System One Location: Corvallis, OR (Hybrid – must be within 2-hour commute of Hillsboro, OR) Position Type: Contract Assignment Duration: Through 2026 with potential extension into 2027+ Position ...
Date Posted: 04/01/2026 Recommended
-
Controlled Access Program Security Manager
Hampton, Virginia
Job Title: Controlled Access Program Security Manager Location: Hampton, Virginia (on-site) Compensation: $80,000 - $92,000 Security Clearance: TS/SCI, CAP/SAP clearable Responsibilities Review, track, and monitor CAP/SAP security clearance processing ...
Date Posted: 04/24/2026 Recommended
-
B2B Sales Representative / Business Development
Fort Plain, New York
For immediate consideration, please connect with me on LinkedIn at https://www.linkedin.com/in/dpotapenko and then email your resume, work authorization status, current location, availability, and compensation expectations directly to denis.potapenko@s...
Date Posted: 04/28/2026 Recommended
-
Cloud Security Engineer
Salisbury, MD
Job Title: Cloud Security Engineer Location: Salisbury, MD Type: Direct Hire Compensation: $126000 - $190000 annually Contractor Work Model: Onsite Position Summary We are seeking a skilled and detail-oriented Cloud Security Engineer to join our growin...
Date Posted: 03/22/2026 Recommended
-
Senior Cloud Security Specialist (API) - onsite
Washington, DC
Senior Cloud Security Specialist (API) Washington, DC – onsite US citizenship required per government contact Must be able to obtain Public Trust clearance Type: Multi-year Contract Open to W2 and C2C Deadline to apply: May 5th We are seeking a Senior ...
Date Posted: 04/24/2026 Recommended
-
Zero Trust Architect
Great Falls, VA
Job Title: Zero Trust Architect Location: Remote Type: Contract to Hire Client: Federal Deposit Insurance Corporation (FDIC) Clearance: Must be able to work in the US without sponsorship and ability to obtain a Public Trust. Overview We’re supporting a...
Date Posted: 04/22/2026 Recommended
-
Senior Kubernetes Engineer / Platform Administrator
Washington, District Of Columbia
Senior Kubernetes Engineer / Platform Administrator Washington, DC (Bolling AFB) - onsite Active Top Secret with SCI eligibility We are seeking a highly experienced Senior Kubernetes Engineer / Platform Administrator to lead the design, deployment, and...
Date Posted: 03/20/2026 Recommended
-
Software Developer
Washington, District Of Columbia
Title: Software Developer Location: Washington, DC Clearance: Active Secret clearance/Top-Secret preferred Type: Direct Hire Contact: Crystaldinnocenti@systemone.com Successful Software Developer's demonstrate competency in integrating advanced technol...
Date Posted: 03/25/2026 Recommended
-
Senior Network Engineer CCNP
Alexandria, VA
Job Title: Senior Network Engineer CCNP Location: Bolling AFB, DC Type: Contract Compensation: $180,000.00 - $210,000.00 Contractor Work Model: Onsite Hours: 40.0 Security Clearance: TS/SCI Responsibilities Translate stakeholder and Government requirem...
Date Posted: 04/28/2026 Recommended
-
Business Application Developer
Tampa, FL
Job Title: Business Application Developer Location: Tampa, FL Type: Direct Hire Security Clearance: Must Be Able to Obtain a DoD Secret Security Clearance Job Summary: System One is seeking a Business Application Developer for a full-time/permanent opp...
Date Posted: 04/27/2026 Recommended
-
Sr. Network Engineer
Kings Point, NY
Job Title: Sr. Network Engineer Location: Kings Point, NY Type: Contract To Hire Compensation: $47.00 per hour Contractor Work Model: Onsite – onsite Hours: 40.0 Security Clearance: Public Trust Responsibilities Design, implement, troubleshoot, analyze...
Date Posted: 04/28/2026 Recommended
-
AI, C++ Software Developer III
Gaithersburg, MD
Job Title: C++ Software Developer (AI Focused) Location: Gaithersburg, MD (hybrid) Type: Contract Compensation: $77.19 - $93.89/HR on W2 Security Clearance: Public Trust clearance required Responsibilities Design, develop, and maintain microservices-ba...
Date Posted: 04/27/2026 Recommended
-
Senior Cybersecurity Engineer (CSfC Specialist)
Alexandria, VA
Job Title: Senior Cybersecurity Engineer (CSfC Specialist) Location: Bolling AFB, Washington, DC Type: Direct Hire Clearance: Active TS/SCI or Top Secret (Required) Contact: Crystal.dinnocenti@systemone.com A Senior CSfC Cybersecurity Engineer focuses ...
Date Posted: 03/05/2026 Recommended
-
Training Specialist (TS/SCI clearance)
Hampton, Virginia
Training Specialist Hampton, VA - Langley AFB Security Clearance: TS/SCI Must be Security+ certified The Training Specialist / Instructional Designer?for Regional Cluster B Western CONUS and OCONUS locations (Davis-Monthan, Nellis, Mountain Home, Kaden...
Date Posted: 04/21/2026 Recommended
-
Forgerock Developer
Salt Lake City, Utah
Job Title: Forgerock Developer Location: Salt Lake City, Utah Type: Contract To Hire Compensation: $0.00 Contractor Work Model: Onsite – onsite Hours: 40.0 Security Clearance: Not specified Overview Leave placeholder text here for recruiter to input Re...
Date Posted: 04/10/2026 Recommended
-
Sr. Engineer - TS Clearance
Bedford, Massachusetts
Job Title: Sr. Engineer Location: Hanscom AFB Type: Contract To Hire Compensation: Negotiable Contractor Work Model: Onsite – Hours: 40.0 Security Clearance: TS/SCI Responsibilities Apply engineering theories, principles, concepts, standards, and metho...
Date Posted: 04/27/2026 Recommended