Windows Administrator (Secret Clearance)
Fort Belvoir, VA
Experience: 0
Category: Information Technology
Contractor Work Model: Onsite
Brand: System One
Compensation Range: 165000.00 - 175000.00 Per Year
Job ID: 348476
Date Posted: 03/31/2026
Shortcut: http://jobs.systemone.com/H8t1Ke
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: $165-175,000/year
OVERVIEW
We’re hiring a Windows Administrator to support and secure a Windows-based infrastructure that underpins enterprise Identity & Access Management (ICAM) services—authentication, authorization, and access. This role focuses on system reliability, security hardening, automation, and operational support for identity-related platforms.
WHAT YOU’LL DO -
- Manage, configure, and maintain Windows Server environments (2016/2019/2022)
- Perform patching, system hardening, vulnerability remediation, and lifecycle management - Administer Active Directory, Group Policy, and Windows authentication services
- Maintain core services such as DNS and DHCP that support ICAM solutions
- Support identity-related technologies (e.g., federation services, access gateways, identity connectors)
- Support secure operations for services such as AD, ADFS, Azure AD Connect, and related auth/federation tooling
- Implement security controls and compliance baselines (CIS, DISA STIGs, or internal standards)
- Manage logging/monitoring and event analysis (Event Viewer, Splunk, Sentinel, etc.)
- Build automation/scripts in PowerShell (and tools like DSC, SCCM/MECM, Ansible, CI/CD where applicable)
- Troubleshoot incidents, participate in on-call support as needed, and drive root-cause resolution - Partner with identity engineers, security teams, and application owners; document standards and procedures
REQUIRED QUALIFICATIONS
- Active Secret clearance
- Strong Windows Server administration experience (2016/2019/2022)
- Hands-on expertise with Active Directory, Group Policy, and Windows security
- Experience with identity-related technologies (ADFS, LDAP, Kerberos, SAML, OAuth, PKI/certificates) -
- PowerShell scripting proficiency -
- Experience with monitoring/log platforms (e.g., Event Viewer, Splunk, Sentinel) - Security+ (or equivalent)
System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
#M-1
#LI-AJ1
Ref: #851-Rockville-S1
-
Linux Administrator
Fort Belvoir, VA
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 ...
Date Posted: 03/30/2026 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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
Sr Full Stack .NET Developer
Arlington, Virginia
Job Title: Sr Full Stack .NET Developer Rosslyn, VA - Hybrid, 4 days a week on-site Type: Contract To Hire Compensation:$90/hr. to $100/hr. Range, commensurate with experience Minimum Clearance Required to Start: Secret System One IT has an immediate c...
Date Posted: 04/17/2026 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
-
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
-
Junior Systems Analyst
Rockville, MD
Job Title: Junior Systems Analyst Location: Rockville, MD Type: Contract Compensation: $18.75 hourly Contractor Work Model: Onsite Security Clearance: Candidates must be able to work without sponsorship and be able to obtain a Public Trust clearance. G...
Date Posted: 03/04/2026 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
-
Data Engineer (Splunk)
Alexandria, VA
Title: Data Engineer (Splunk) Location: Bolling AFB, Washington, DC Clearance: Active TS/SCI or Top Secret (Required) Contact: Crystal.dinnocenti@systemone.com This role designs, deploys, and manages the Splunk data platform to collect, normalize, and ...
Date Posted: 03/05/2026 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
-
.NET Developer
Kittery, Maine
Job Title: .NET Developer Location: Kittery, Maine Required : Currently active Secret Clearance If interested reach out directly to kimberly.spicer@systemone.com Required: .NET development experience, including custom database-driven web parts and time...
Date Posted: 04/13/2026 Recommended
-
AI Mobile/ RPA SME
Hampton, Virginia
Job Title: AI / RPA Solutions SME (TS/SCI) Location: Hampton, VA Type: Direct Hire Work Model: Onsite Clearance: TS/SCI Required Overview We are seeking a TS/SCI-cleared AI / RPA Solutions SME to support Air Force modernization efforts by building and ...
Date Posted: 04/21/2026 Recommended
-
Software Engineering
Lynnwood, WA
Job Title: Software Engineering Location: Lynnwood, WA (onsite) Type: Contract Compensation: $96.00 - $110.00 hourly Security Clearance: Secret (Interim Secret is acceptable) System One is seeking a Software Engineer with the following qualifications: ...
Date Posted: 03/12/2026 Recommended
-
Desktop Support
Pensacola, FL
Job Title: Desktop Support Location: Pensacola, FL, Vienna, VA, Winchester, VA Contractor Work Model: Onsite, Mon-Fri Available shifts: 7:00 am-3:30 pm; 9:00 am-5:30 pm; 1 1:00 am-7:30 pm Hours: 40.0 hours per week Pay rate: open to W2 We are looking f...
Date Posted: 04/24/2026 Recommended
-
BI Data Analyst (Top Secret clearance)
Stafford, Virginia
BI Data Analyst Top Secret clearance required Quantico, VA – 4 days/week onsite Required Skills and Experience: • Active Top Secret (FBI does not accept Interim clearances) • Ability to operate largely independently, determine tasking a stakeholder eng...
Date Posted: 04/06/2026 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
-
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
-
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
-
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
-
ServiceNow Consultant
Leesburg, VA
Job Title: ServiceNow Consultant Location: Leesburg, VA Type: Contract Compensation: 70-90/hr W2 Contractor Work Model: Hybrid Hours: 40.0 Responsibilities Develop, configure, and maintain ServiceNow applications with emphasis on Service Catalogs and R...
Date Posted: 04/12/2026 Recommended