Systems Administrator, Senior
$90k - $120kSabre Systems
Responsibilities As a Senior Systems Administrator with Sabre Systems you will be designing, deploying, and sustaining modernized Software Development Environments (SDE) within the current Cyber framework. This is a full time, in person role located at the Naval Air Station Patuxent River in Patuxent River, Maryland. The position involves system administration and cyber security compliance tasking for the management of computer systems and networks, including: Operating system maintenance Cyber security updates and scans Software license management System upgrades (could be hardware or software) Specific duties may include, but are not limited to: Install, configure, and maintain hardware and software systems in classified and controlled unclassified environments Troubleshoot systems primarily in a Linux environment and secondarily in a Windows environment. Install, configure, and manage the Linux operating systems and related tool sets supporting the software engineers in various PMA-264 labs. Modernize older infrastructure with support from a seasoned organization with the ability to advise. Will requires implementing secure on prem cloud infrastructure, container orchestration, and continuous monitoring compliant with the Risk Management Framework (RMF) and Zero Trust architecture Keeping servers "compliant" per NAVAIR and DISA policies to include backup and disaster recovery requirements, anti-virus protection, and implementing system security. Maintain backup plans and rotation cycles. Producing documentation that details and describes the systems, procedures, events, and any associated processes. Building new infrastructure servers. Maintaining, tuning, and patching systems for optimum performance and security. Migrating or upgrading systems, where applicable. Participating in weekly routine maintenance tasks. Responding to system failures promptly to bring applications back online. Conducting various quarterly and annual Security Technical Implementation Guides (STIGs) and scans on systems in labs Qualifications 7-10 years of practical experience executing tasks such as: Configuring hardware (e.g., servers and switches) Upgrading and repairing computer systems (primarily Linux based operating systems) Troubleshooting hardware and software issues Implementing security measures and basic testing. RMF compliancy experience required (STIGS/scans/etc.) Experience with Linux Server to include the build, maintenance, and troubleshooting, as well as addressing, service requests, routine sever maintenance (firmware, failures, hardening, etc.), and server consolidation Experience with Windows OS administration Critical thinking skills and the ability to "think-outside-the-box" to solve complex technical issues is essential. Enthusiastic about learning and trying new things. Candidate must be willing and able to acquire a Top Secret Clearance Candidate must be willing to obtain a Privileged Access Agreement Desired Qualifications Associates or Bachelors degree from an accredited college or university in the Computer Science/Information Technology discipline (degrees in computer science, computer engineering, software engineering, network engineering, information systems, cyber security, or management of information systems technology) Experience in DoD Information Assurance/Cyber policy and procedures to include hardening of systems, implementing Security Technical Implementation Guides (STIGs) and scanning desired. Experience with virtualization of systems and VMware Currently certified in one or more of the following: CompTIA A+ CompTIA Network+ CompTIA Security+ Cisco CCNA Cisco CCNP Compensation Statement At Sabre Systems, LLC, compensation is based on factors such as location, qualifications, experience, and contract-specific requirements; however, final compensation will be determined by individual qualifications and applicable contract terms. The general salary range for this position is as follows: $90,000.00 - $120,000.00 All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, gender identity and sexual orientation), national origin, age, disability or genetic information. EEO Minorities/Females/Disability/Veterans; VEVRAA Federal Contractor We respect the unique perspectives that a diverse workforce of minorities, women, individuals with disabilities, and protected veterans brings not only to our company, but also to our customers. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, gender identity and sexual orientation), national origin, age, disability or genetic information. #J-18808-Ljbffr Sabre Systems
- ...Senior System Administrator • Be a member of a system administration team responsible for the design, deployment, installation, configuration and maintenance of Linux/UNIX-based server systems and software. • Be able to learn quickly and work independently as well as...Senior
$168k - $250k
...information theft and augment protections for our customers systems. If you are looking to join a company that provides... ...consider joining our team! Peterson is seeking a talented Senior Systems Administrator . Provides day to day systems administration and support...Senior- ...to sponsor an employment Visa. What You’ll Be Doing (We don’t love the bullet points, but we love the work!) As the System Administrator, you'll get to be responsible for providing network management and systems administration support to maintain the Agency’s High...SeniorVisa sponsorshipWork visa
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...sustaining, operating, and improving essential government systems and services, with proven operational excellence, and a commitment... ...without dual citizenship. This role is remote. The Senior System Administrator provides senior-level IT operations and ServiceNow...SeniorContract workRemote work- ...Que Technology Group, Inc., is seeking a Senior System Administrator to provide High Performance Computing (HPC) services in the form of HPC enhanced sustainment capabilities. Responsibilities include, but are not limited to: Provide support for implementation...SeniorTemporary workImmediate start
$115k - $175k
...a small company with the impact of a big mission. Riverstone is seeking a motivated, career, and customer-oriented Senior Systems Administrator to join our team at Annapolis Junction, Maryland . This is an onsite position. Primary Responsibilities: • Provides...SeniorHourly payContract workWork experience placement- ...Que Technology Group, Inc., is seeking Senior System Administrator to provide High Performance Computing (HPC) services in the form of enhanced HPC sustainment capabilities. These capabilities include Multi-vendor HPC servers, HPC clusters, and SPD servers....SeniorTemporary workImmediate start
$96.2k - $192.3k
Accenture Federal Services in Annapolis Junction, MD is looking for an experienced Systems Administrator. The ideal candidate will provide support for IT systems, manage infrastructure, and troubleshoot issues. A minimum of ten years of experience in similar roles as well...Senior$10k
...Description When You Love the Work You Do, Any Mission Is Possible Position: Senior System Administrator - CNO Capabilities ***(Active Clearance with a Polygraph is Required) We're on multiple contracts and have many opportunities. It is encouraged if applicants...SeniorExtra incomeWork at officeFlexible hours- Cornerstone Defense LLC is seeking an Expert System Administrator in Annapolis Junction, MD. Candidates must have an active TS/SCI clearance and a minimum of 15 years of experience in system administration. The role entails supporting the implementation and maintenance...Senior
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$122k - $253k
Nightwing is seeking a System Administrator in Annapolis, Maryland, with 15 years of experience in IT support. The role includes troubleshooting, optimization, and managing IT systems while providing user support and ensuring compliance with security standards. The ideal...Senior- Amentum is seeking a System Administrator 2 in Maryland to provide Tier 1 and Tier 2 support for PKI tools. This role involves troubleshooting, testing new releases, and ensuring compliance with DoD certifications. Ideal candidates should have a background in both Windows...Senior
- LVMH Group is seeking a Senior Systems Administrator for the Planning and Engineering Department in Maryland. The successful candidate will support the DC network, maintain production systems, and utilize their extensive knowledge in logistics processes. Key responsibilities...Senior
$170k - $175k
A leading technology consulting firm is seeking a Senior System Administrator with an active TS/SCI clearance and polygraph. The role involves implementing and maintaining IT systems, providing Tier 1 and Tier 2 support, and managing daily operations across various environments...Senior- A technology services provider is seeking a Senior System Administrator to deliver enhanced High Performance Computing services. This role involves troubleshooting and managing IT systems, ensuring optimal performance for various devices. The ideal candidate will have ten...Senior
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...Modern Technology Solutions, Inc. (MTSI) is hiring a Senior Systems Administrator in Annapolis Junction, Maryland. Qualified candidates must be U.S. citizens with a TS/SCI clearance and Full Scope Polygraph. Responsibilities: *Provide support for implementation...SeniorFull timeContract workImmediate startWorldwideFlexible hours- HRB is looking for a System Administrator III located in Annapolis Junction, MD. The role requires TS/SCI clearance and involves managing IT systems, providing day-to-day support, and optimizing system performance. Ideal candidates will have ten years of experience in...Senior
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- Power3 is looking for a System Administrator III in Annapolis Junction, MD. The candidate will provide support for implementation, troubleshooting, and maintenance of IT systems while managing system infrastructure. Responsibilities include Tier 1 and Tier 2 problem resolution...Senior
$190k - $210k
...Location: Annapolis Junction, Maryland Type: Contract Job #3710 Title: Senior System Administrator Location: Annapolis Junction, MD Compensation Range: $190 -$210K *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview...SeniorContract workLocal area$107k - $143k
...Senior System Administrator Job Locations US-TN-Arnold AFB Requisition Number 2026-24029 Category Information Technology Category Information Technology Overview Job Title: Senior System Administrator Location...SeniorFull timePart timeH1bLocal area$172k - $210k
A technology services firm is seeking a Systems Administrator with extensive experience in Linux and Windows environments. Candidates must be US citizens with an active TS/SCI security clearance. Responsibilities include supporting users, documenting security processes,...Senior- Senior Systems Administrator Location: On‑Site at Customer Location (Annapolis Junction, MD) Clearance Required: TS/SCI with Poly Are you ready to take your systems administration expertise to the next level and support mission‑critical operations? BigBear.ai is seeking...Senior
$120.8k - $265.8k
Job Title: Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local The Opportunity CACI is seeking...SeniorFull timeContract workWork experience placementLocal areaImmediate startFlexible hours- Que Technology Group, Inc., is seeking a Senior System Administrator to provide High Performance Computing (HPC) services in the form of HPC enhanced sustainment capabilities. Responsibilities Provide support for implementation, troubleshooting and maintenance of IT systems...SeniorTemporary workImmediate start
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$128k - $160k
Responsibilities & Qualifications RESPONSIBILITIES The Senior Systems Administrator is expected to be able to accomplish the following: Monitors and manages system resources, including CPU usage, disk usage, and response times to maintain operating efficiency. Performs...SeniorFull timeContract workTemporary workLocal areaShift work$170k - $250k
Job Description The System Administrator III is a senior technical contributor responsible for designing, implementing, securing, and maintaining the organization’s core IT infrastructure. This role provides Tier 3 support for complex incidents, leads infrastructure projects...SeniorPermanent employmentContract workWork experience placementLocal area
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