Systems Administrator
Metrea
Company Overview Metrea delivers effects-as-a-service to national security partners across five domains and more than a dozen mission areas. These include airborne ISR, electronic warfare, secure communications, aerial refuelling, special air missions, aerial firefighting, and advanced simulation. We own the whole stack: designing, building, and operating turnkey capabilities that give our partners decisive, asymmetric advantage against rapidly evolving threats. Operating Model Our operating model is built around three interlocking pillars. The Support Groups provide a global shared‑service spanning people, finance, platform, operations, legal, and engagement. The Core Groups develop and own mission capabilities end‑to‑end, while the Market Groups apply a regional lens to ensure our agile capabilities align with partner needs across the Americas, EMEA, and Asia‑Pacific. At the heart of our model is a simple but powerful idea: be a true partner with skin in the game. Group Overview Electromagnetic and Cyber Group (EM&C) develops flexible and survivable advanced electronic warfare and secure communications equipment while providing the industry’s leading signals intelligence, electronic warfare, and cyber experts. Metrea specializes in signal classification, direction finding, advanced geolocation techniques, and waveform development for MANET and LPI/LPD applications. We also develop special‑purpose radios for government customers and license DF and geolocation solutions to multiple OEMs. Position Summary We are seeking an experienced Classified Systems Administrator to support, maintain, and secure our mission‑critical, high‑consequence classified IT infrastructure. The role core technical lead oversees a mixed Linux and Microsoft Windows environment with a strong focus on air‑gapped, secure systems built for the Intelligence Community (IC) and Department of Defense (DoD). The ideal candidate has a strong “ownership mentality,” is highly proactive, and possesses a deep, proven background in multitier support, bare‑metal hardware configuration, and strict security hardening protocols required to achieve and maintain an Authority to Operate (ATO). What You’ll Do Provide comprehensive 1st, 2nd, and 3rd tier IT support across complex classified environments and secure air‑gapped networks Execute rigid security configuration and system hardening utilizing DISA STIGs, SCAP tools, and other federal cybersecurity best practices to ensure strict compliance with government directives Configure, optimize, and maintain critical enterprise services including Active Directory (AD), Group Policy, Identity Management/LDAP, DNS, DHCP, repository servers, and patch deployment systems Administer virtualized environments using Hyper‑V and VMware; develop and execute systematic backup scripts and disaster recovery procedures to safeguard critical intelligence data Take hands‑on ownership of physical rack components, low‑voltage cabling, server hardware configurations, desktops, laptops, and secure mobile/tablet devices, including complete system startups and shutdowns Author rigorous, instructional documentation for system baselines and standard operating procedures (SOPs) Serve as the primary COMSEC custodian, maintaining 100% accurate accountability, strict inventory control, and secure storage for all physical and electronic cryptographic materials, key tapes, and controlled cryptographic items (CCIs) Conduct required semi‑annual, annual, and special‑occasion inventories; strictly adhere to and enforce NSA directives, CNSSI manuals, and customer‑driven COMSEC security procedures Support after‑hours alarm/intrusion response What You Bring 3+ years of experience as System Administrator providing comprehensive system support Hands‑on experience applying DISA STIGs, conducting vulnerability assessments, and remediating compliance findings on classified networks Strong background troubleshooting core infrastructure services (Active Directory, DNS, DHCP, group policies, and network storage solutions) in an isolated, non‑internet connected environment Experience in configuring new hardware systems and employing them into active environments for operational readiness Must hold an active Top‑Secret security clearance with SCI eligibility and FS Polygraph Bachelor’s degree preferred Additional Eligibility Qualifications Active DoD 8570/8140 IAT Level II or III baseline certification (CompTIA Security+, CISSP) Completion of COMSEC Custodian course preferred, or obtain within six months of hire Support after‑hours alarm/intrusion response Benefits Comprehensive medical plan options HSA/FSA accounts Dental and vision coverage 6% employer 401(k) match Fully paid parental leave for all new parents Generous PTO Life and disability insurance Long‑term and short‑term disability coverage AD&D Coverage Pet Insurance Employee Assistance Program Subsided gym membership and plans through Wellhub Work Authorization / Security Clearance Applicants must be legally authorized to work in the United States. Must be a U.S. Citizen. Active TS/SCI clearance with FS Polygraph required at time of hire; must maintain clearance throughout employment. Employment is contingent on meeting all clearance requirements. AAP/EEO Statement Metrea Algorithmics LLC is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or other characteristics protected by law. Position Type and Expected Hours of Work This is a full‑time exempt position with typical working hours Monday through Friday, 8:00 a.m. to 5:00 p.m. Hours and work shifts may change in accordance with department and business needs. Exempt employees must have the ability to be on‑call and available as business needs require. Work Environment This job operates in an office setting. Travel 10% Our Firmware At Metrea, our single core value is Rooted in Humility, and our four cornerstone attributes are Entrepreneurial, Systematic, Discerning, and Over‑Deliver. These form what we call our Teammate Firmware. Just like technical firmware connects software and hardware, our Firmware is the constant interface between our mission and our people. It defines how we show up, how we work together, and how we solve complex problems. Our firmware creates a web‑like, hyper‑collaborative, dynamically hierarchical way of working that helps us adapt quickly, communicate openly, and distribute decision‑making to where expertise actually lives. It enables groups to self‑organize around hard problems, shift fluidly as priorities evolve, and operate with the trust, curiosity, and discipline required in a complex mission space. This foundation allows us to deliver elegant, effective solutions and uphold our purpose: protecting our precious inheritance. #J-18808-Ljbffr Metrea
$60k - $70k
...challenges and improve public health, strengthen national security, and make government services more effective and efficient. The Systems Administrator manages and maintains enterprise IT systems, ensuring availability, reliability, and security of infrastructure, while also...SuggestedLive inRemote work- ...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...SuggestedFull timeContract workFor contractorsWork at office
$65 - $70 per hour
...Immediate need for a talented System Administrator. This is a 05+ months contract opportunity with long-term potential and is located in Owings Mills, MD(Hybrid). Please review the job description below and contact me ASAP if you are interested. Job ID: 26- 20272 Pay...SuggestedContract workWork experience placementLocal areaImmediate start- ...customers and license DF and geolocation solutions to multiple OEMs. Position Summary We are seeking an experienced Classified Systems Administrator to support, maintain, and secure our mission‑critical, high‑consequence classified IT infrastructure. The role core...SuggestedFull timeTemporary workWork at officeMonday to FridayFlexible hoursShift work
- ...Overview Employment Type: Full Time Department: Legal/IT We are seeking a Senior Relativity Sr. Systems Administrator to join our team! You will handle a variety of projects to support and improve the organization’s network systems. CGS brings motivated, highly skilled...SuggestedFull timeWork at officeFlexible hours
- ...Intelligence Community (IC), Department of Defense (DoD), and Defense Information Systems Agency (DISA). RBR-Technologies has an immediately available opening for a Sr. System Administrator to support our customer. Responsibilities Conduct functional and connectivity...Contract workLocal areaImmediate startFlexible hours
- ...provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet... ..., defense, civil, and commercial markets. The Systems Administrator will provide support for implementation, troubleshooting and maintenance...Full timeLocal areaFlexible hours
- ...innovation, driven by impact, and ready to grow with a company that puts People First, you’ll find your place here. Job Summary The Systems Administrator (SA) is responsible for providing advanced support for desktop, server, and network infrastructure. The SA is also...Temporary workLocal area
- ...Overview Position: System Administrator DK Consulting Overview: Founded in May 2003, DK Consulting, LLC, a woman-owned small business, was formed to provide management and technology solutions based on industry best practices. DK Consulting, LLC works with multiple State...Remote work
- # Systems Administrator IVOwings Mills, MD**Hybrid**Contract**Title: Systems Administrator IV** **Description:** Summary: The main function of a Systems Administrator is to be responsible for system administration of core systems as well as monitoring and repair of high...Full timeContract workTemporary workWork experience placementFlexible hours
$135k - $216k
...trusted, highly differentiated solutions and technologies to protect our nation and allies. About The Role Peraton is seeking a Systems Administrator to support a DoD customer in our Linthicum, MD office. The role focuses on cyber investigations, digital forensics, threat...Temporary workWork at office$10k
...technology allowances, and access to a state-of-the-art technology lab. Learn more at Your Mission ClearEdge is hiring a Senior System Administrator to support the administration, sustainment, and security of Linux-based systems across mission environments. In this role,...- ...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
- ...SECURITY CLEARANCE TS/SCI with both Polygraphs are required. POSITION Systems Administrator LCAT Systems Administrator, Level 4 REQUISITION NIN-SA2-24.120125 LOCATION Linthicum Heights, Maryland JOB DESCRIPTION As part of the Secure the Enterprise initiative, develop capabilities...Shift work
- ...Competitive salary Free food & snacks Opportunity for advancement T12 Technologies is seeking a skilled and service-driven System Administrator to manage and maintain our on-premises and cloud systems on-site at our Waldorf, Maryland office. This is a fully on-site role...Full timeWork at officeLocal areaVisa sponsorshipMonday to Friday
- ...Senior Systems Administrator Employment Type: Full Time, Senior-level Department: Legal/IT Responsibilities This individual will manage the archiving of Relativity databases. To that end they will develop, manage and document a workflow process to identify, archive, and...Full timeContract workFor contractorsWork at officeFlexible hours
$150k - $160k
...virtual machines running in a cloud infrastructure (Amazon AWS). Evaluates systems for IAVA compliance and applies necessary security updates/patches. Performs command line system administration tasks on virtual machines. Handles regular system backups and...$40k
...monitoring, disabling, and removal of accounts across supported systems. Identify inactive or non-compliant accounts and elevate... ...modification, and deprovisioning in an enterprise ICAM/IAM or system administration environment using documented procedures. Ability to execute...Minimum wageContract workTemporary workWork experience placementShift work- ...support for implementation, troubleshooting and maintenance of IT systems Provide Tier 1 (Help Desk) problem identification, diagnosis... ...Possess a working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture...
- ...many opportunities for advancement. Davis Unlimited Information Technologies, Inc (DUIT) wants you! We have an opening for a System Administrator SkillBridge intern in our office headquarters. Davis Unlimited Information Technologies (DUIT)'s SkillBridge program is...InternshipWork at office
- ...Overview Senior Discovery IT System Administrator — Employment Type: Full-Time, Executive-Level. Department: Legal. CGS is seeking a dedicated Senior Discovery IT System Administrator to join a fast-paced and hard-working team to assist with any legal accounts. As a Senior...Full timeFor contractorsFlexible hours
- The US Social Security Administration is seeking an IT Specialist to oversee the installation, monitoring, and troubleshooting of systems across the agency. You will serve as a technical authority and provide critical IT support in a national capacity. Applicants must...
- ...Linux Systems Administrator Quevera is seeking a highly skilled Linux Systems Administrator with an active TS/SCI clearance with Polygraph to support mission-critical programs in Linthicum, Maryland. In this role, you will administer, maintain, and optimize Linux-based...Temporary work
- ...Hat Enterprise Linux versions 7.x, 8.x, and 9.x; administering x86 hardware; administering WebSphere Application Server, WebSphere Deployment Manager, and WebSphere MQ software; and administering Kubernetes namespace. #J-18808-Ljbffr US Social Security AdministrationWork at office
- ...Summary and Objectives This position supports the Linux computing systems in NIDA’s research facility and performs data analysis in... ...ongoing scientific projects. Technical Requirements Linux administration and systems support: Perform Linux administration and data analysis...Remote work
$98.9k - $148.3k
...Principal Computer Systems Analyst (Linux Systems Administrator) At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive...Full timeFlexible hoursShift workWeekend work$79.6k - $176.3k
Senior Red Hat Linux Administrator Category: Database Administration Main location: United States, Maryland, Baltimore Position ID: J062... ..., harden, and optimize Red Hat Enterprise Linux (RHEL 7/8/9+) systems for DIS operational environments. Build and maintain Ansible/...Full timeWork at officeLocal area- Title Linux Systems Administrator Location Owings Mills, MD Duration 12 months Compensation $50-$55/ hour W2 Work Requirements US Citizen, GC Holders or Authorized to Work in the U.S. Overview We are seeking a Senior Linux Administrator to manage and optimize enterprise...Local area
$59 - $62 per hour
...in investment management solutions, is seeking a Senior Linux Administrator to join their team. As a Senior Linux Administrator, you will... ...excellent collaboration abilities, and a proactive approach to system management, which will align successfully in the organization....- ...team provides support 24 x 7 x 365 - this position requires the administrator to provide on-call support on a rotational basis. Primary on-... ..., network, hardware, software, processes, applications, systems, databases, desktops, peripherals, and other related infrastructure...Work experience placement
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