System Administrator
$90k - $105kHexagon US Federal
Position Overview We are seeking a Senior Systems Administrator in Lanham, MD. This role serves as the primary IT lead for the Lanham office while partnering with a distributed IT operations team. The position requires a robust technical foundation across hybrid infrastructure, ownership, and independence in a fast‑paced, compliance‑driven environment. Key Responsibilities Serve as the primary IT owner for the Lanham office, ensuring reliability, performance, and user support. Maintain and support hybrid infrastructure, including VMware ESXi environments, virtual machines, and cloud services. Administer and optimize Microsoft 365 GCC High (Entra ID, Exchange Online, SharePoint, Teams). Support and contribute to data center operations, including system health, maintenance, and incident response. Act as a key escalation point for complex technical issues across the enterprise. Partner with a distributed team of system administrators to support enterprise‑wide help desk operations. Drive improvements in system performance, standardization, and operational efficiency. Support implementation and enforcement of security and compliance controls (CMMC, NIST 800‑171, etc.). Respond to and lead troubleshooting during outages or critical incidents. Provide hands‑on support for onsite needs including workstation deployment, hardware replacement, and troubleshooting. Manage and monitor virtual environments across on‑prem and cloud platforms. Participate in ticket triage, escalation, and resolution across a multi‑site environment. Maintain system documentation, procedures, and operational runbooks. Collaborate with vendors and managed service providers when required. Support infrastructure‑related projects and site‑specific initiatives. Qualifications 8+ years of experience in systems administration, infrastructure support, or a similar role. Proven experience managing hybrid IT environments (on‑premises and cloud). Strong hands‑on experience with Microsoft 365, preferably within GCC High or other regulated environments. Deep experience with VMware ESXi and virtual infrastructure management. Strong knowledge of Windows Server, Active Directory, Group Policy, and endpoint management. Experience supporting data center infrastructure and operations. Demonstrated ability to troubleshoot and resolve complex, cross‑domain technical issues. Strong communication and customer service skills, with the ability to support both technical and non‑technical users. Ability to work independently, prioritize effectively, and take ownership of systems and issues. Work Environment Hybrid role based in Lanham, MD (minimum two days onsite per week). Occasional travel to Chantilly, VA and Huntsville, AL may be required. Expected to support critical incidents outside of standard business hours when necessary. Physical and Mental Demands Ability to remain in a stationary position and operate a computer for extended periods. Occasional ability to move or transport items up to 25 pounds. Communicate effectively in English (verbal, written) and possess visual and auditory acuity for tasks and safety. Manage multiple tasks, prioritize, and maintain focus in dynamic environments. Demonstrate strong problem‑solving, critical thinking, and analytical skills. Maintain consistent attendance, punctuality, and high professional standards. Salary Transparency The projected annual salary range for this position is $90,000 to $105,000 (USD). Actual compensation within this range will depend on factors such as work location, education, experience, skills, organizational requirements, and contract‑specific budget parameters. Benefits Competitive health care plans with savings accounts. Dental and vision plans. 401(k) with 100% company match up to 6%, with immediate vesting on company match. Life and disability insurance. Learning Management System with robust offerings. Tuition reimbursement program. Flexible working arrangements where possible. 13 paid holidays per year. Veterans‑focused Employee Resources Group with regular educational sessions and communications. Equal Employment Opportunity Octave Federal is an Equal Employment Opportunity Employer. We comply with all applicable federal anti‑discrimination laws and provide reasonable accommodations for qualified individuals with disabilities and disabled veterans in its job application procedures. If you have any difficulty using our online system and need an accommodation due to a disability, you may use the following email address, [emailprotected], and/or phone number (703) 264‑5600 to contact us about your interest in employment with Octave Federal. All qualified applicants will receive consideration for employment without regard to protected veteran status, disability status, or any other protected class covered by federal, state, or local law. Octave Federal participates in E‑Verify. #J-18808-Ljbffr
$55k - $59k
...companies to advance their critical missions and modernize their systems, so that they can uphold their commitment to the American... ...Description Tria Federal is seeking a skilled and motivated IT Systems Administrator to join a collaborative and dynamic IT team. To be successful...SuggestedWork at officeRemote work- ...Sebenza LLC is a woman owned small business operating out of McLean, VA . We currently have an immediate opening for a Sr. Systems Administrator to support our contract in Lanham, MD. Our government client has a requirement to provide support in Infrastructure Management...SuggestedContract workWork at officeImmediate startRemote workMonday to Friday
$73.45k - $132.78k
...business. If this sounds like an environment where you can thrive, keep reading! The Mission Leidos is seeking a System Administrator to partner on a large enterprise IT contract for the DOD. The System Administrator will partner and lead operations across...SuggestedContract workWork at officeLocal areaImmediate startRemote work$60k - $70k
...experts who care deeply about impact – whether we're supporting data‑driven decisions, modernizing systems or safeguarding critical programs. The Systems Administrator is responsible for managing and maintaining enterprise IT systems, ensuring the availability, reliability...SuggestedLive inRemote work$90k - $105k
...Position Overview We are seeking a Senior Systems Administrator in Lanham, MD. This role serves as the primary IT lead for the Lanham office while partnering with a distributed IT operations team. The position requires a robust technical foundation across hybrid infrastructure...SuggestedContract workWork at officeLocal areaImmediate startFlexible hours2 days per week- The Systems Administrator will support and maintain computer systems, hardware, software, and infrastructure while providing technical assistance for transit scheduling systems such as HASTUS or Trapeze. The role includes system provisioning, installation, configuration...
- ...for external applicants. Job Description and Position Requirements We are searching for a self‑motivated, quality conscious Systems Administrator Intern to join our Computing Services Department within the Information Technology Services Office at the Applied Research Laboratory...Summer workInternshipWork at officeWork from homeRelocationFlexible hoursShift work
- ...below and support and/or complete any deliverables required under this SOW, as identified herein. The Subcontractor (Junior Systems Administrator) is responsible for providing technical support. The following are the required tasks and experience that are expected for this...Full timeFor subcontractorWork at officeImmediate start
- ...Kaiva Tech, LLC is seeking a Systems Engineer/Administrator in Arlington, VA Clearance Secret Location 100% Onsite Position Overview: As a Systems Engineer/Administrator, you will be responsible for ensuring the secure and efficient operation of servers and systems in...
$76k - $86k
...System Administrator Entarian is seeking a System Administrator to join and help lead a technical team dedicated to the operations and maintenance of the ground systems for NOAA Office of Satellite and Product Operations (OSPO) environmental‑monitoring satellite missions...Permanent employmentFull timeTemporary workWork at officeFlexible hours$80k - $95k
...Overview Edgewater Federal Solutions is currently seeking a detail-oriented IT System Administrator with Cyber Security experience to support our federal customer in the Washington DC area. The candidate will work with the government customer to support the review and...Contract workWork experience placementWork at officeLocal area1 day per week$100k
...System Administrator Arlington, VA Pay From: $100,000 per year Must: Experienced System Administrator 5+ years of relevant experience in application development, systems administration, or enterprise system support environments Active Top Secret/SCI clearance required...Relocation$110k - $115k
Back Systems Administrator Cloud/Infrastructure Washington , DC Jul 21, 2026 Systems Administrator Washington, DC / Onsite U.S. Citizenship required Blu Omega is seeking a Systems Administrator to support a federal program focused on enterprise IT support for the Congressional...Temporary workWork at office- ...Analytica is seeking a seasoned and adaptable Senior System Administrator to join our infrastructure team in supporting an innovative federal mission. In this role, you will provide high-level technical leadership, engineering expertise, and strategic vision to optimize...For contractorsLocal area
- ...Employment Type Full Time, Senior-level Department Legal/IT Overview CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and creative people...Full timeContract workFor contractorsWork at office
- ...CALNET, Inc. in Washington DC is seeking a Junior Windows System Administrator with a Secret Clearance to join our IT team. You will support Windows Server platforms, Active Directory, and Microsoft 365, working under senior staff to ensure security and reliability. Qualifications...
- ...delivered by operating with a product mindset, prioritizing speed, ownership, and execution over bureaucracy. Description Title: System Administrator Location: Washington, D.C. (Onsite) Terms: Full-time Salary: 100,000 - 130,000 DOE Clearance: Active Top Secret with SCI...Full timeWork experience placementWork at officeFlexible hoursDay shiftAfternoon shift
$120k - $135k
...Job Description Everforth ECS is seeking a cleared Senior Systems Administrator (Top Secret Cleared) for our Washington, DC office. The role involves secure system administration, endpoint management, user support, patching, monitoring, documentation, and operational sustainment...Work at officeLocal area- ...Electrosoft Services, LLC seeks a Senior Systems Administrator to design, implement and manage diverse software solutions for federal customers. You will install and maintain systems, develop executive dashboards, and present findings to senior management in a fast-paced...
- ...A leading cloud solutions provider in Washington, DC is seeking an AWS Systems Administrator to manage and deploy AWS services. This position requires US citizenship, an active Top-Secret security clearance, and at least six years of IT experience including substantial...Flexible hours
- ...L3Harris Technologies in Washington, DC, seeks a Senior Specialist, Systems Administration to strengthen and modernize core IT services across the region. You will design, implement, and operate hybrid global network infrastructure, automate provisioning with Ansible/...Local area
- ...A leading consulting firm in Washington, D.C., is seeking an experienced Systems Administrator to ensure the stability and security of federal IT operations. The ideal candidate will have strong expertise in Windows and Linux systems, cloud fundamentals, and the ability...
- ...Serco is seeking a Combat System Test and Evaluation (T&E) Support Analyst in Washington, D.C. to manage and enhance the amphibious ships T&E program, ensuring compliance with all contractual controls. The ideal candidate will have a strong background in ship construction...
$77.8k - $121.5k
...parental rights. Review our Statement of Faith to ensure we’re a fit for you. Locations: Washington, D.C. Team Overview As the Systems Administrator, you will be responsible for installing, configuring, maintaining, and ensuring the reliable operation of the organization’s...Permanent employmentTemporary workWork at office- ...Tlingit Haida Tribal Business Corporation (THTBC) in Washington, DC seeks a System Administrator to manage enterprise systems. Responsibilities include day-to-day administration, performance monitoring, security updates, and disaster recovery planning, with up to 25%...
$50k - $52.5k
...full-time and is responsible for supporting and managing all IT systems and services used by All Hands and Hearts. Reporting... ...experience preferred. 1-2 years experience with cloud-based systems administration. Special Competencies/Certifications Must be legally...Full timeFor contractorsWork at officeHome office- ...Reflexive Concepts is seeking a skilled System Administrator III to join our team! Qualifications Fifteen (15) years of experience supporting projects and programs similar in scope and complexity Bachelors Degree in Computer Science or a related field Description Be a...
- ...Senior Systems Administrator – Arlington, VA Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employers core culture? If so, Chenega Military...
- ...Abile Group seeks a Jr. Systems Administrator for a 10-year IC contract. Responsibilities include desktop/server admin, monitoring, and Tier 1–3 support across multiple networks and locations. The role requires TS/SCI with CI poly eligibility and a Bachelor’s degree with...Contract work
- ...Kavaliro is seeking a System Administrator to support a client in Laurel, Maryland. Required Skills Demonstrated experience with VMware vSphere (vCenter and ESXi) experience support multi-site environments Demonstrated experience with VMware Horizon VDI experience supporting...Local areaRemote work
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