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/YDg3kA
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
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
-
Cyber Security Specialist
Fort Belvoir , VA
Job Title: Cyber Security Specialist Location: Fort Belvoir, VA, HYBRID as needed Type: Salaried/Direct Hire Security Clearance: Secret Clearance Required Overview We are seeking a Cyber Security Specialist to support a mission critical Identity, Crede...
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
-
Posit System Administrator
Atlanta, Georgia
Posit System Administrator Atlanta, GA – hybrid $140,000 – $148,000 Responsibilities: • Maintain and enhance multiple Posit deployments (Workbench, Connect, and Package Manager), ensuring infrastructure remains functional and available for public healt...
Date Posted: 03/14/2026 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
-
SYSTEM ADMINISTRATOR
JBA, Maryland
Job Title: SYSTEM ADMINISTRATOR Location: JBA, Maryland The System Administrator will support the Air Force Review Boards Agency (AFRBA) Case Management Tracking Analysis and Reporting System (CMTARS) Operations and Maintenance program. This role is re...
Date Posted: 03/12/2026 Recommended
-
Manufacturing Production Supervisor
Fort Stockton, Texas
Job Title: Manufacturing Production Supervisor Location: Fort Stockton, Texas Type: Contract To Hire Compensation: $33 - $35 hourly Contractor Work Model: Onsite Position Overview The Facility / Site Supervisor is a critical leadership role at a Therma...
Date Posted: 03/02/2026 Recommended
-
Physical Access Engineer
Washington, District Of Columbia
Job Title: Physical Access Control (PACS) 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 seeking a Physica...
Date Posted: 03/27/2026 Recommended
-
Data Engineer/Developer
Fort Detrick, Maryland
If interested reach out directly to kspicer@altaits.com or call/text 301-252-8762 Responsibilities: Support full SDLC services for LogiCole defined priorities. Communicate well on all levels to various government and contractor support personnel includ...
Date Posted: 01/28/2026 Recommended
-
Senior IAM Analyst
Merrifield, VA
Job Title: Senior IAM Analyst Location: Remote Type: Contract Contractor Work Model: Remote Responsibilities Discover, review, validate, and analyze alerts generated by secrets scanning platforms to identify insecurely stored or exposed secrets. Suppor...
Date Posted: 03/18/2026 Recommended
-
System Administrator
Aberdeen Proving Grounds, Maryland
Systems Administrator Contract to Hire Aberdeen, Maryland On-Site Hourly Rate: $35/hr. W2 Annual Salary: $70,000 to 75,000 plus benefits Requires Interim Secret Clearance or Higher System One is seeking a System Administrator to work for a government c...
Date Posted: 03/31/2026 Recommended
-
Systems Engineer - Linux / Windows
Merrifield, Virginia
Senior System Engineer, Linux/Windows Direct Hire First 6 months on-site, Fairfax, VA – then hybrid 4 days a week on-site thereafter Salary: $120,000 to $125,000 annually, plus benefits Federal End-Client: US Citizenship required, eligible for Public T...
Date Posted: 03/16/2026 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
-
END-USER SUPPORT SPECIALIST
Joint Base Andrews, Maryland
Job Title: END-USER SUPPORT SPECIALIST Location: Joint Base Andrews, Maryland Position Summary: The End User Support Specialist will support the Air Force Review Boards Agency (AFRBA) Case Management Tracking Analysis and Reporting System (CMTARS) Oper...
Date Posted: 03/12/2026 Recommended
-
Cyber Security Specialist (TS/SCI clearance)
Quantico, Virginia
Cyber Security Specialist Quantico, VA - onsite Security Clearance: Active TS/SCI is required Must be IAT level III certified Major Duties & Responsibilities: Assist in building, coordinating, maintaining, changing, and updating, the RMF A&A packages f...
Date Posted: 02/13/2026 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
-
Network Automation Engineer
Rockville, MD
Network Automation Engineer 100% REMOTE Candidates must be able to work without sponsorship Must be able to obtain USCIS Public Trust clearance $45/hr W2 (no PTO) or $85K with PTO System One is seeking a Network Automation Engineer to work for a large ...
Date Posted: 03/09/2026 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
-
Senior Cloud Security Engineer (AWS / IAM)
Baltimore, VA
Senior Cloud Security Engineer (AWS / IAM) Baltimore, MD – Hybrid, onsite 2 days per week 6 months Contract to Hire W2 Hourly rate for contract period: $95/hr. to $106/hr. Benefits available Annual Salary Target: $180,000 to $200,000 annually, plus ben...
Date Posted: 02/02/2026 Recommended
-
EDP Platform Engineer (Databricks Admin)
Washington, District of Columbia
Job Title: Databricks Administrator Location: Washington, District of Columbia Type: Contract Contractor Work Model: Onsite PROJECT DESCRIPTION: The Enterprise Data Platform (EDP) empowers the Board to confidently use trusted, standardized, and well go...
Date Posted: 03/09/2026 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
-
Hardware Engineer I
Arlington, TX
Job Title: Hardware Engineer Location: Arlington, TX (onsite) Type: Contract Compensation: $34.00 hourly Security Clearance: Active Secret clearance required. (Must be able to obtain an NRC Public Trust Security Clearance before starting which may take...
Date Posted: 02/24/2026 Recommended
-
WEB APPLICATION DEVELOPER
JBA, Maryland
Job Title: WEB APPLICATION DEVELOPER Location: JBA, Maryland Position Summary: The Web Application Developer will support the Air Force Review Boards Agency (AFRBA) Case Management Tracking Analysis and Reporting System (CMTARS) Operations and Maintena...
Date Posted: 03/12/2026 Recommended
-
Sr. Software Integrator (Maximo)
Arlington, Virginia
Job Title: Sr. Software Integrator (Maximo) Location: Arlington, Virginia Type: Contract Contractor Work Model: Onsite Security Clearance: Must be U.S. Citizen Active Secret clearance (must be able to maintain) Responsibilities Design and implement int...
Date Posted: 03/23/2026 Recommended
-
SME Oracle APEX Developer
Washington, DC
Job Title: SME Oracle APEX Developer Location: Washington, DC (on-site) Clearance: Public Trust Compensation: $89.50-$110.00/HR on W2 System One is hiring a SME Oracle APEX Developer to support a government contract. The ideal candidate will be persona...
Date Posted: 03/18/2026 Recommended
-
Help Desk Lead (TS/SCI clearance)
Quantico, Virginia
Help Desk Lead Quantico, Virginia - Onsite Security Clearance: Active TS/SCI Major Duties & Responsibilities: Serve as the primary point of contact for end users to provide ongoing support, monitoring, and life cycle management of incident tickets. Pro...
Date Posted: 02/13/2026 Recommended