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
$120k - $140k
...fully vested upon hire)Career growth and promotional opportunitiesTuition ReimbursementJOB SUMMARYWe are seeking a NetSuite System Administrator to oversee and optimize our critical ERP System and its integration with other SaaS applications. In this role, you will manage...SuggestedFull timeWork at office$96.5k - $164k
...of generosity. Join us for the opportunity to grow and make a difference in ways that matter to you. Role SummaryThe Senior System Administrator - End User Compute (EUC) is responsible for the engineering, administration, support, and continuous improvement of the enterprise...SuggestedFull timeLocal areaRemote workWork from home3 days per week- ...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...SuggestedShift work
$65 - $70 per hour
...System Administrator 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). Job ID: 26- 20272 Pay Range: $65/hr - $70/hour. Employee benefits include,...SuggestedContract workWork experience placementLocal areaImmediate start$7.5k
...Enterprise Infrastructure Support Systems Administrator RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do...SuggestedWork experience placementImmediate startFlexible hours- ...Systems Administrator Location: Owings Mills, MD Onsite Flexibility: Hybrid Contract Details Position Type: Contract Contract Duration: 12 months Work Authorization: Applicants must be authorized to work for ANY employer in the U.S. We are...Contract workWork experience placementWork visa
- ...Job Title Solaris / Linux Administration Experience (3-5 years minimum) CA Unified Infrastructure Manager Experience (2+ years) Knowledge of Different Probes (Ex. CDM, Apache, Others…) Knowledge of How to Adjust Alerting Thresholds Apply / Remove Security...
$10k
...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,...- ...Desktop Systems Administrator I - Exempt End Client T-Rowe Price Location Owings Mills, MD Visa – H1B The Desktop Systems Administrator packages and deploys applications across the entire firm utilizing Admin Studio Packaging software and System Center Configuration...Work experience placementH1bWork at office
$135k - $216k
...Systems Administrator Job Locations US-MD-Linthicum Requisition ID 2026-167920 Position Category Information Technology Clearance Top Secret/SCI Responsibilities Peraton is seeking a Systems Administrator in our Linthicum...Contract workWork at officeShift work$7.5k
...Systems Administrator Location: Central Maryland Security Clearance Required: Security Clearance with appropriate Polygraph Job Description The RealmOne TRIBE is looking for you! RealmOne was built on the principle that people matter first and foremost. We...Contract workWork experience placementImmediate startFlexible hours$50 - $63 per hour
...Skills' Details* **1. 7+ Years of experience of IBM MQ/ACE Administration 2. Scription experience - Open to all tools. Ansible Preferred... ..., BAR file deployments, and runtime support. * Monitor MQ system performance, availability, and capacity to ensure optimal operation...Contract workTemporary 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...Live inRemote work- ...We're looking for an experienced IBM MQ & App Connect Enterprise (ACE) Administrator to join a leading financial services client. This is an excellent opportunity to support and manage mission-critical messaging infrastructure in a collaborative enterprise environment....Contract workWeekend workWeekday work
- ...Reflexive Concepts is seeking a System Administrator II to join our team! Specifically, we are looking for a System Administrator with Linux command-line administration experience, familiarity with Yum or equivalent patching repositories, and experience working within...
- ...Senior Systems Administrator II Employment Type: Full Time, Senior-level - Department: Legal/IT Overview CGS is seeking a Senior Systems Administrator to support technical initiatives for a large Federal agency, ensuring systems meet client needs and comply with policy...Full timeContract workFlexible hours
- ...companies to advance their critical missions and modernize their systems, so that they can uphold their commitment to the American... ...: Tria Federal is seeking a skilled and motivated IT Systems Administrator to join a collaborative and dynamic IT team. To be successful...Work at office
$98.9k - $148.3k
...employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for... ...Principal / Sr Principal Computer Systems Analyst (Linux Systems Administrator level 3 or 4) to support information system lifecycle...Full timeRemote workRelocationFlexible hoursShift workWeekend work- DescriptionWho We AreTextron Systems is part of Textron, a $14 billion, multi-industry company employing 35,000 talented makers, thinkers... ...the products we make!About This RoleSenior Systems & Network Administrators collaborate with a diverse team to support classified...Local areaWorldwideFlexible hours
- ...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
- Position Summary The Systems Administrator serves as the primary technical resource in a small team environment for day-to-day operations and is responsible for the administration, security, maintenance, and continuous improvement of Bithgroup’s IT environment, including...Work at office
- 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
- 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
- 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,...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...$120k - $130k
..., scalable technology solutions through technical expertise, collaboration, and continuous learning. We are hiring a Senior System Administrator with MSP experience who enjoys project driven work, client interaction, and hands on infrastructure delivery. This role blends...Remote work3 days per week- Duties This announcement serves as public notice. Applications submitted will be placed into a pool and will remain on file for selection as positions become available. Vacancies may be filled for up to 6 months after the closing date of this announcement. Applicants...
- ...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 Discovery...Full timeFlexible hours
- ...team environment Linux/Unix/ AIX patch & maintain systems able to address customer tickers scripting &... ...requires 3+ years of relevant experience with UNIX/Linux systems administration - RedHat Linux experience is required • Capable of writing...Work experience placement
- ...Linux Systems Engineer Locations: Owings Mills, MD OR Baltimore, MD OR Philadelphia, PA OR New York, NY OR Colorado Springs, CO OR San Francisco, CA Duration: 12 + Months Onsite Day 1: Hybrid Mode: 2 - 3 Days Onsite! Please note that this position is subject...For contractors
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