Systems & Infrastructure Administrators
$130k - $170kArena Technologies LLC
Overview Systems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth,we are known for continuous innovation for our government customers, in both the US and abroad. Our exceptionally talented team is highly collaborative in spirit and practice, producing Results that Matter. Come work with the best! We offer opportunity, unique challenges, and clear-sighted commitment to the mission. SPA: Objective. Responsive. Trusted. The SLA Analysis Group’s mission is to deliver objective analyses, plans and strategies to US Navy, US Marine Corps, USAF, other DoD, and Australian Defence Force clients to support technology development, acquisition, delivery and sustainment decisions. The group provides the core of SPA thought leadership on Undersea Strategy, Software Development and Cost Estimating, with additional benchmark capabilities in AI/ML & Decision Analytics, Modeling and Simulation, and Future Force Assessments. SPA has a need for Systems & Infrastructure Administrators to operate, maintain, and improve the environments that host APACS and Foreign Clearance Program‑related capabilities. These roles ensure mission systems remain available, secure, performant, and scalable across multiple environments and classification levels. Responsibilities Manage servers, environments, and configurations supporting APACS and related systems; perform monitoring, patching, troubleshooting, and performance tuning. Support deployment of application updates and maintain development, test, and production environments. Evaluate infrastructure health and recommend improvements for performance, reliability, and capacity. Work with developers, cybersecurity staff, hosting providers, and system administrators to resolve issues and optimize system behavior. Analyze system performance metrics and incident trends to identify root causes and long‑term solutions. Document system architectures, configurations, procedures, interfaces, and dependencies to support continuity, onboarding, and leadership visibility. Qualifications Required Qualifications: Bachelor’s degree in IT, engineering, or related technical field (or equivalent experience) 4–8+ years of experience administering enterprise IT environments (servers, storage, networks, virtualization, or cloud) Ability to troubleshoot performance and availability issues in multi‑tier applications Familiarity with structured change and configuration management practices Secret clearance and the ability to maintain this throughout employment Desired Qualifications: Experience supporting mission‑critical DoD systems, DISA‑hosted environments, or large web applications Knowledge of hybrid‑cloud architectures, high‑availability designs, or case‑management platforms Pay Range Information At SPA, we strive to deliver a robust total compensation package that will attract and retain top talent. Elements of the compensation package include competitive base pay and variable compensation opportunities. SPA provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. The specific programs and options available to any given employee may vary depending on eligibility factors such as geographic location, date of hire, etc. Please note that the salary information shown below is a general guideline only. Salaries are commensurate with experience and qualifications, as well as market and business considerations. Virginia, Pay Transparency Salary range: USD $130,000.00/Yr. - USD $170,000.00/Yr. #J-18808-Ljbffr Arena Technologies LLC
- ...engineering the backbone of mission-critical systems for government and enterprise clients.... ...• Cloud and Hybrid Infrastructure Management: Administer, configure, and... ...data loss.• Virtualization and Server Administration: Administer VMware vSphere and Windows...SuggestedContract workWork at officeImmediate startFlexible hours
- Systems Planning and Analysis, Inc. (SPA) is seeking Systems & Infrastructure Administrators to operate, maintain, and improve environments hosting APACS and related capabilities across multiple classifications. These roles ensure mission systems remain available, secure...Suggested
- Washington, United States | Posted on 08/10/2026 A major Washington, DC water utility seeks a Cloud & Infrastructure Systems Administrator for a hybrid role, 3 days onsite in Washington, DC. Administer Azure and AWS alongside VMware vSphere and Windows Server; automate...Suggested
- ...problem space. We bring Public and Private, Civilian and Military expertise to every case. We are hiring a System Administrator (Enterprise Infrastructure) to work in Laurel, MD . Position location is subject to change based on central MD client's needs. Required...SuggestedLocal areaWork from homeFlexible hours
$120.8k - $265.8k
Job Title: Network Infrastructure/System AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to... ...* * *The Opportunity:CACI is looking for a Network System Administrator to join the Luke Team! You will support the customer's...SuggestedContract workWork experience placementFlexible hours$112k - $179k
Responsibilities Peraton Labs is seeking a poly cleared Senior Infrastructure and Systems Administrator to support cleared research and development efforts for a government customer in Maryland. This role will support the implementation, maintenance, security, and operational...Full timeContract workFor subcontractorRemote workRelocation packageShift work$112k - $179k
Peraton is seeking an Enterprise Infrastructure Support Systems Administrator in Laurel, MD, to support critical engineering contracts for the Intelligence Community. The role requires system administration expertise and a strong technical foundation. Ideal candidates...- Systems Planning and Analysis, Inc. (SPA) seeks Systems & Infrastructure Administrators to operate, maintain, and improve environments hosting APACS and Foreign Clearance Program-related capabilities. These roles ensure mission systems remain available, secure, performant...
- ...Support Application Virtualization Hosting Environment (AVHE) and System Support access and troubleshooting DMLSS. Imaging, security... ...and all other communication equipment to include overall administration of networking, configuring, diagnosing, updating, developing,...Contract workTemporary workFor contractors
- Themis Insight in Laurel, MD is seeking a skilled System Administrator to manage enterprise infrastructure solutions. The ideal candidate will leverage their technical expertise to create documentation and work closely with teams to deliver effective solutions to complex...
- ...ProSidian Consulting at DescriptionProSidian Seeks a Energy Data Systems Administrator | Evaluation Support [DOEOP045050] - DPLH Est.: 665.6 Hrs.... ..., grid modernization, energy efficiency, and sustainable infrastructure technologies. Align with Evaluation Support Functional...Full timeContract workTemporary workFor contractorsH1bWork at officeFlexible hours
$130k - $180k
Celestar, a B&A Company, is seeking a Database/Web System Administrator to support the Defense Advanced Research Projects Agency (DARPA)... ...database hosting, support, patching, power, backups, and related infrastructure.· Establish user requirements and monitor database access...Contract workLocal area$104.2k - $138.9k
...VA area. Candidates must have a current TS/SCI clearance.The Senior System Administrator leads the administration, maintenance, security, and operational resilience of complex enterprise infrastructure supporting mission‑critical systems in a remote federal IT environment...Remote work3 days per week$170k - $219k
As a Sr. Systems Administrator III, you will work as part of a collaborative and high-performing team providing hands-on expertise to deliver... ..., and supporting complex geographically dispersed infrastructure; managing Windows Server 2019 and 2022 environments; supporting...Full timeLocal area$62k - $141k
System Administrator, MidThe Opportunity: Your combination of people skills and system administrator expertise makes you the team hero, solving... ...requiring support. You’ll support the review of current infrastructure to provide an overview and prepare plans for improvement...Full timeContract workPart timeWork at officeLocal areaRemote work$110k - $140k
...$110,000 - 140,000We are seeking a skilled and dependable Systems Administrator to join our team at the mid to senior level. This role carries... ...and maintaining enterprise Windows and Linux server infrastructure, endpoint management systems, and virtualized environments...$62k - $141k
Tier 2 System AdministratorThe Opportunity: Your combination of people skills and system administration knowledge makes you the team hero, solving one problem after another. What... ...on our team, you’ll ensure the current infrastructure is functional, available, and...Full timeContract workPart timeWork at officeLocal areaRemote work- ...Scope PolygraphWe are seeking an experienced Linux-focused System Administrator (Level 2) to support a mission-critical program within the... ...compliance, and operational health of complex Linux-based infrastructure spanning virtualized environments, container platforms,...Temporary work
- ...the highest form of third-party validation. are seeking a Systems Administrator who will be responsible for supporting and maintaining... ...across multiple applications, operating systems, networks, and infrastructure platforms. Responsibilities include system administration,...Full timeContract work
- ...maintaining compliance, securing operating systems, and executing patch management across... ..., cybersecurity controls, and IT infrastructure management.Key ResponsibilitiesEngineer... ..., Perl, VBScript, or similar administrative languages.Collaborate with customers and...Full time
$77.6k - $176k
System Administrator, SeniorThe Opportunity: Your combination of people skills and system administrator expertise makes you the team hero... ...help our customer deploy and maintain mission-critical IT infrastructure, strengthen their cybersecurity posture, and enhance the readiness...Full timeContract workPart timeWork at officeLocal areaRemote work$120.8k - $265.8k
A leading technology solutions provider in Virginia is looking for a Network Infrastructure/System Administrator to manage and maintain their data communications network. This position involves deploying and troubleshooting network hardware and software, ensuring optimal...Flexible hours$27.64 - $56.83 per hour
...Maintenance:-Conducts end-to-end on-site hardware installation, removing and troubleshooting hardware without disturbing critical infrastructure, and configurations, with limited supervision.-Replaces server components and upgrades servers for existing customer base, with...Hourly payTemporary workFlexible hours- ...) Polygraph. No exceptions. About System High System High Corporation... ...an Information Technology (IT) Systems Administrator to join our team and support mission-... ...accreditation Integration with broader IT infrastructure ~ Support continuous improvement of...Contract workImmediate start
$78.6k - $160.2k
...missions and the government forward! You Are: The Senior Systems Administrator, oversees the management, security, and optimization of a... ..., restore, and disaster recovery strategies and ensure infrastructure resilience Oversee user and permission management (RBAC...Live inWork at officeLocal area- ...System Administrator – Information Management Specialist Totally Joined For Achieving Collaborative Techniques (TJFACT) is a minority... ...configuring and securing new network devices; installing infrastructure as required. Systems Administrator may serve as the primary...Temporary workWork at officeLocal areaRemote work
- ...Systems Administrator Dynamic Solutions Technology, LLC (DST), a premier strategic services firm that meets IT and Service needs for commercial... ...Include: Manage Information Technology infrastructure systems operating in a Microsoft Windows environment. Responsible...Full timeRemote work
- ...BI Systems Administrator The client is seeking a BI Systems Administrator to be responsible for the administration of core systems as... ...reliable operation including enterprise servers and network infrastructure. Experience: Experience in BI tools Provides wide...
$104.24k - $130.3k
...facilities, secure environments, complex infrastructure, and global enterprises. With over 9,0... ...and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia, M.C... ...role, you will serve as a senior systems administrator and technical lead for secure...For subcontractorRemote workFlexible hoursNight shift$101.92k - $131.04k
...Senior Systems Administrator Employment Type: Full Time, Senior-level Department: Legal/IT CGS is seeking a Senior Systems Administrator... ...: - Relativity Certified Administrator or Relativity Infrastructure Specialist Certificate Our commitment: Contact...Full timeContract workFor contractorsWork at officeFlexible hours
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