Senior System Administrator
$170k - $220kA/V Services LLC
Job Description The primary role of the System Administrator is to manage and support mission-critical IT infrastructure. This role involves day-to-day operations, troubleshooting, and maintenance across Windows and UNIX systems. You'll work directly with both hardware and software systems in a dynamic, multi-platform environment. Worker Type Regular Summary The primary role of the System Administrator is to manage and support mission-critical IT infrastructure. This role involves day-to-day operations, troubleshooting, and maintenance across Windows and UNIX systems. You'll work directly with both hardware and software systems in a dynamic, multi-platform environment. Job Description The primary role of the System Administrator is to manage and support mission-critical IT infrastructure. This role involves day-to-day operations, troubleshooting, and maintenance across Windows and UNIX systems. You'll work directly with both hardware and software systems in a dynamic, multi-platform environment. Position Responsibilities Analyze and resolve complex problems associated with server hardware, applications and software integration Provide detailed analysis and feedback to agency management and internal customers for escalated tickets Manage the daily activities of configuration and operation of IT systems Provide Tier I and II IT support and problem resolution. Manage client/server/storage/network infrastructure. Configure and manage RedHat Linux and Windows systems. Support vulnerability management using Nessus. Handle STE/STN scoring and documentation. Maintain POA&Ms and patch systems based on security and functional parameters. Collaborate with hardware vendors on system specs and refreshes. Analyze escalated issues and provide actionable feedback Basic Qualifications (Required Skills & Experience) Bachelor's degree in Information Technology, Information Systems, Computer Engineering, or related field is required or equivalent combination of education, and experience. Five (5) years of additional SA experience may be substituted for a bachelor's degree. Minimum 15+ years of system administration experience. Strong RedHat Linux and Windows (2012/2016/2019) troubleshooting skills. Familiarity with Nessus, POA&Ms, and STE/STN initiatives. Proficiency configuring UNIX and Windows environments. An active TS/SCI with Polygraph Other Qualification & Desired Competencies Experience with virtual environments and system capacity planning. Salary Range: $170,000 - $220,000 The AV pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Determination of official compensation or salary relies on several factors including, but not limited to, level of position, job responsibilities, geographic location, scope of relevant work experience, educational background, certifications, contract-specific affordability, organizational requirements, alignment with local internal equity as well as alignment with market data. ITAR Requirement 120.15. Some positions will require current U.S. Citizenship due to contract requirements. Benefits AV offers an excellent benefits package including medical, dental vision, 401K with company matching, a 9/80 work schedule and a paid holiday shutdown. For more information about our company benefit offerings please visit: We also encourage you to review our company website at to learn more about us. Who We Are Based in California, AeroVironment (AVAV) is a global leader in unmanned aircraft systems (UAS) and tactical missile systems. Founded in 1971 by celebrated physicist and engineer, Dr. Paul MacCready, we’ve been at the leading edge of technical innovation for more than 45 years. Be a part of the team that developed the world’s most widely used military drones and created the first submarine-launched reconnaissance drone, and has seven innovative vehicles that are part of the Smithsonian Institution’s permanent collection in Washington, DC. Join us today in developing the next generation of small UAS and tactical missile systems that will deliver more actionable intelligence to our customers so they can proceed with certainty – and succeed. What We Do Building on a history of technological innovation, AeroVironment designs, develops, produces, and supports an advanced portfolio of unmanned aircraft systems (UAS) and tactical missile systems. Agencies of the U.S. Department of Defense and allied military services use the company’s hand-launched UAS to provide situational awareness to tactical operating units through real-time, airborne reconnaissance, surveillance, and target acquisition. We are proud to be an EEO/AA Equal Opportunity Employer, including disability/veterans. AeroVironment, Inc. is an Equal Employment Opportunity (EEO) employer and welcomes all qualified applicants. Qualified applicants will receive fair and impartial consideration without regard to race, sex, color, religion, national origin, age, disability, protected veteran status, genetic data, sexual orientation, gender identity or other legally protected status. ITAR #J-18808-Ljbffr A/V Services LLC
$146k - $234k
ResponsibilitiesMid-level Network / Desktop Administrator to support and maintain enterprise network and end-user computing infrastructure... ...and remediate vulnerabilities in response to IAVAs, ensuring systems remain compliant with security baselines and STIGs.Use CLI and...SeniorContract workRemote workShift work$77.6k - $176k
System Administrator, SeniorThe Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve a critical technology supporting the Department of Defense (DoD)? We’re looking for a System...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work- ...MANTECH seeks a motivated, career- and customer-oriented Sr Cloud System Administrator to join our team in Annapolis Junction, MD. Our team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our...SeniorWork at office
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Job Title: Senior System AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/... ...identity solutions used across the IC.Responsibilities:As a System Administrator, you will:Build, configure, and deploy Docker containers...SeniorContract workFor contractorsWork experience placementFlexible hours$117.2k - $206.77k
...MartinDescription:WHAT WE'RE DOINGLockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of... ...at bay.THE WORKIn this role you will:• Serve as the senior system administrator with extensive experience supporting Windows‑based desktops...SeniorFull timeTemporary workWork experience placementWork at officeRemote workFlexible hours- ...Omniscius Consulting is looking for an experienced Senior Systems Administrator in Laurel, MD, to manage and support the lifecycle of mission-critical applications. The ideal candidate will have strong backgrounds in Windows and Linux administration, cloud infrastructure...Senior
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- ...do not apply if you do not currently possess this level of clearance. Telework: None Basic Requirements: 20 years experience as a system engineer Bachelor’s degree in a technical discipline 5 additional years of experience as a system engineer may be substituted for a...SeniorFull timeImmediate startRemote work
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- ...We are seeking an experienced Senior Systems Administrator to support the lifecycle sustainment and modernization of mission-critical education, learning, and training applications supporting a Government enterprise. This role is ideal for an experienced systems administrator...SeniorFull time
$77.6k - $176k
...Job Number: R0232223 System Administrator, Senior The Opportunity Your technical expertise makes the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Department of Defense? We're looking for a System...SeniorLocal area- ...Senior Systems Administrator (Laurel, MD) Active TS/SCI w/Polygraph REQUIRED Please do not apply if you do not currently possess this level of clearance. Telework: None Basic Requirements: Security+ Cert 20 years experience as a system engineer Bachelor’s degree in a...SeniorFull timeImmediate startRemote workShift work
$164k - $200k
Belay Technologies is seeking a Senior System Administrator to join our intel team. Join a team providing Life Cycle Sustainment (LCS) and modernization activities for commercial and custom-developed education, learning, and training applications supporting the Government...Senior$164k - $200k
Belay Technologies is seeking a Senior System Administrator to join our intel team. You will support CNO Capabilities as a senior System Administrator and technical contributor responsible for sustaining and evolving a high-performance operational IT environment. This is...SeniorContract workWork at officeRelocation$170k - $220k
Worker TypeRegularJob DescriptionSummaryThe primary role of the System Administrator is to manage and support mission-critical IT infrastructure. This role involves day-to-day operations, troubleshooting, and maintenance across Windows and UNIX systems. You'll work directly...SeniorPermanent employmentContract workWork experience placementLocal area$176k - $282k
ResponsibilitiesThe Systems Engineer -Splunk Administrator will support a critical mission of consequence within our Cyber Mission Business Unit in Annapolis Junction, MD. This work is performed at a contractor facility.The candidate's primary responsibilities will include...SeniorContract workFor contractorsShift work- ...software engineering on similar contracts, a Bachelor’s degree in Computer Science or related field, and DoD 8570 IA Technical Level II or higher. Familiarity with DevOps and AWS is expected to support and maintain IT systems across client environments. #J-18808-Ljbffr...Senior
- ...ManTech seeks a motivated, career and customer-oriented Linux System Administrator to join our team in Laurel, MD. You will be part of a dedicated team delivering enterprise infrastructure capabilities for a global workforce that supports a wide range of national...SeniorWork at office
- ...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
$135k - $216k
ResponsibilitiesPeraton is hiring a PMO Senior Systems Administrator (SA) to join our Cyber Mission business unit in Annapolis Junction, MD. As a Systems Administrator on our team, you will support the Program Management Office of one of the largest enterprise-wide engineering...SeniorFull timeContract workFor contractorsWork at officeShift 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 Tier3 support for complex incidents, leads infrastructure projects...SeniorPermanent employmentContract workWork experience placementLocal area$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$92.3k - $166.85k
...Mid/Sr System Administrator Join us and make a difference in National Security! Job Summary The selected individual will provide system administration support for a large, complex network environment with geographically distributed systems. The role supports system engineering...SeniorImmediate startFlexible hours$113.9k - $127.3k
...your potential, and making a difference every day. Together, we belong to something beautiful. Your role at Sephora As a Senior Systems Administrator, for the Planning and Engineering Department you will be responsible to support our DC network to identify, resolve, and...SeniorLocal area- ...(2) years of demonstrated experience in modern operating systems and network architectures. Information Assurance - Must have... ...attractive bonus plan. Responsibilities We are seeking a Senior System Administrator to provide enterprise-focused engineering support to a...Senior
$92.3k - $166.85k
Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our Intelligence Sector’s, Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software,...SeniorFull timeImmediate startFlexible hours- ...Job Description Job Description Overview 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...Senior
$100k - $115k
...technical planning, testing, and execution of complex system upgrades, including operating systems,... ...advisories) and ensure timely remediation. Provide senior‑level technical support and guidance to system administrators, serving as an escalation point for complex patching...Senior- ...is proud to offer career growth opportunities and a competitive compensation and benefits package. Visit our website at: Senior System Administrator Candidate must have an active TS/SCI w/Poly The Senior System Administrator will maintain data files and control...SeniorFlexible hours
$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...Senior
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