Sr. Systems Administrator
$92.3k - $166.85kLeidos
Leidos has a new and exciting opportunity for a Sr. Systems Administrator in our Intel Sector's (IS) Solutions Analysis Business Area (ASBA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!Job DescriptionThe Sr. Systems Administrator will provide customer service representative support for Service Desk operations. This role requires an individual that is technical, customer-oriented and familiar with using desktop software applications such as web browsing and client software, as well as IT Service Management software such as JIRA, ServiceNow, or Remedy. The selected individual must be detail-oriented in order to capture customer inquiries appropriately.Primary Responsibilities:Provides systems and software operations and maintenance support in a large network enterprise, multi-enclave environment.Rapidly distinguish isolated user problems from enterprise-wide application/system problems.Coordinate with customers and stakeholders to collect data, conduct analysis, develop, and implement solutions associated with incident tickets and requirements.Provide general systems administration mentoring and training to personnel.Develop and update operations and maintenance documentation for personnelResolve highly complex problems using significant application of technical knowledge, conceptualizing, reasoning and interpretation.Work to convince others to accept area’s view/current practices and agree/accept new concepts, practices and approaches.Provide follow-up reports (technical findings, feedback, resolution steps taken) for root cause analysis, engineering technical assessment and process improvement initiatives. Remotely log into the end users' endpoint (desktops and/or servers with Windows or Linux OS) to perform technical software configuration, rebooting, and other remedial actions.Basic Qualifications:Bachelors degree with 8+ years of prior relevant experience or Masters with 6+ years of prior relevant experience. Additional years of experience may be substituted in lieu of a degree.Must have an active TS/SCI with a Polygraph, to be consideredAbility to communicate effectively with executive leadership (internally or client) regarding matters of significant importance to the organization/project.Strong understanding of technical principles, theories, concepts and their application across the program.Serves as a subject matter expert within technical domain area.Excellent oral and written communication skills#CABARESTON#ASBA#HALO#HALOincumbentsIf you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.Original Posting:October 15, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $92,300.00 - $166,850.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.SummaryLocation: McLean, VA; Bethesda, MDType: Full time
- ...Position Summary Seeking an experienced Senior Systems Administrator to support mission-critical secure messaging and enterprise infrastructure environments. The role combines secure messaging gateway administration, Windows Server, Active Directory, virtualization, monitoring...SeniorFull time
$120k - $150k
...We’re hiring: Sr. Systems Administrator | Everett, WA | $120K–$150K Chameleon Technologies is partnering with a fast-growing aerospace and advanced manufacturing company in Everett to find a Sr. Systems Administrator. You’d own key enterprise systems, integrations and...SeniorFull timeTemporary work$92.3k - $166.85k
...-9 in the Arlington, VA (Pentagon). This position leads enterprise MECM operations and a team of MECM administrators responsible for endpoint imaging, operating system deployment, application packaging, software update management, vulnerability remediation, configuration...SeniorFull time$100k - $140k
Sr. System AdministratorLocation: Onsite Requirements: Hybrid, Remote, Fully Onsite Compensation Range: $100,000-$140,000 annually Benefits... ...manufacturer of household mirrors seeking a Sr. System Administrator to take ownership of their Epicor Kinetic ERP environment. Reporting...SeniorRemote workRelocation$80k - $130k
...then this is the place for you. Come work with us, and let’s redefine the future together. About the job As a Senior Systems Administrator, you will support our senior infrastructure team in ensuring that the internal IT structure of the enterprise remains up-to-...SeniorFull timeLive inWork at office- ...through innovative solutions and an engaging culture. Description of Task to be Performed: AnaVation is seeking a Sr Systems Administrator to join our team and support our mission critical customer in Reston, VA. As a Sr Systems Administrator you will:...SeniorTemporary workLocal areaImmediate start
- ...Nalley Consulting is seeking full-time Systems Administrator in metro Washington, D.C. Position: Systems Administrator LCAT: Senior Location: DIA HQ, Washington, D.C. Required clearance and polygraph: TS/SCI with willingness to take CI poly. Candidates...SeniorFull timeTemporary workFlexible hours
- ...’s safety and security. Make an impact by using your expertise to protect our country from threats. Job Description Systems Administrator Maintains an organization's computer systems' workflows and is responsible for the upkeep, configuration and reliable operation...SeniorWork at officeLocal areaRemote work
$110k - $117.5k
...Job Description Job Description What Impact You'll Have Our work depends on TS/SCI cleared Systems Administrator joining our team to Support our intelligence customer in Springfield, VA. As a System Administrator (College Desktop Support), you will be responsible...SeniorContract workWork experience placementImmediate startRemote workFlexible hoursWeekend work$75k - $85k
...mission-critical technology, engineering, and mission support services to federal government customers. We are seeking a Senior Systems Administrator to play a key role in a critical DOD program — powering the platform that securely collects, analyzes, reports, and...SeniorTemporary workImmediate startRemote work- ...using your expertise to protect our country from threats. Job Description Transform technology into opportunity as a Systems Administrator with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll be at the...SeniorWork experience placementRemote workFlexible hoursWeekend work
- ...We are searching for a Systems Administrator to join the Reston, VA location of the Digital Engineering Department in the Cyber, Modeling, and Simulation Division of the Information Advantage Office at the Applied Research Laboratory (ARL) at Penn State. You will maintain...SeniorFull timeWork at officeImmediate start
$105k - $155k
...Level of Experience: Mid This opportunity resides with Warfare Systems (WS), a business group within HII’s Mission Technologies... ...selected candidates will be contacted about an opportunity. Systems Administrator 3: $105,000 - $145,000Systems Administrator 4: $120,000 - $160...SeniorFull timeWork experience placementLocal areaWorldwide$77.6k - $176k
System Administrator, SeniorThe Opportunity: Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Department of War?...SeniorFull timeContract workPart timeLocal areaRemote work$102.85k - $139.15k
Systems Administrator (Experienced or Senior)Company:The Boeing CompanyBoeing Defense, Space & Security (BDS), Intelligence Systems (IS), seeks a System Administrator (Experienced or Senior) to join our Mission Operations team in Herndon, VA. Our team focuses on delivering...SeniorPermanent employmentFull timeWork experience placementVisa sponsorshipWork visaRelocation packageFlexible hoursShift work$130k - $180k
Celestar, a B&A Company, is seeking a Database/Web System Administrator to support the Defense Advanced Research Projects Agency (DARPA) Program Security Services (PSS) task order. If interested and meet the qualifications, we encourage you to apply for this rewarding...Contract workLocal area$77.6k - $176k
DevOps Engineer and System Administrator, SeniorThe Opportunity:Are you looking for an opportunity to leverage your DevOps and system administration expertise in a high impact role? We’re building and launching capability for Enterprise-web based systems in cybersecurity...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work- Veriipro in Arlington, VA seeks an experienced Senior Systems Administrator to support mission-critical secure messaging and enterprise infrastructure. The role combines secure messaging gateway administration, Windows Server, Active Directory, virtualization, monitoring...Senior
$85.39k - $116.98k
...Syms Strategic Group (SSG) is seeking a talented Senior Systems Administrator Location: Remote Department: Veterans Affairs (VA) Type: Full Time Min. Experience: Experienced Security Clearance Level: Public Trust (MBI) Salary Range: $85389 - $1169...SeniorFull timeRemote work$150k - $175k
OverviewAMERICAN SYSTEMS, a 100% employee-owned federal contracting company, is seeking a Senior Systems Administrator with strong Red Hat Linux CLI and Windows administration experience... ...package!ResponsibilitiesAs a Sr. Systems Administrator, you will:Support...SeniorLocal areaRemote workRelocation package$104k - $166k
Responsibilities Peraton requires Systems Administrators to support the Special Operation Command Information Technology Enterprise Contract (SITEC) - 3 EOM. This position is located in Arlington, VA. The purpose of the Special Operations Forces Information Technology...Contract workLocal areaRemote workRelocationShift work$96.12k - $182.4k
...information on remote work at Penn State, see Notice to Out of State Applicants. POSITION SPECIFICSWe are searching for a Systems Administrator to join the Reston, VA location of the Digital Engineering Department in the Cyber, Modeling, and Simulation Division of the...SeniorFull timeFor contractorsWork experience placementWork at officeImmediate startRemote work- ...Job Description Job Description SENIOR SYSTEMS ADMINISTRATOR: Ensures the stable operation of the in-house computer software systems and network connections. This includes planning, developing, installing, configuring, maintaining, supporting, and optimizing all network...SeniorFull timeLocal areaRemote work
- ...Storage & Backup: Hands-on experience managing enterprise storage systems (specifically NetApp ONTAP) and configuring/maintaining... ...solutions using Veeam Backup & Replication. Windows Server & Domain Administration: Deep expertise in Windows Server administration, Active...SeniorFull timeContract workTemporary work
$150k - $200k
MTSI is seeking a Senior Systems Administrator - COMSEC Specialist whose primary function will be to lead/support development, testing and integration of advanced communication systems. This position will be located in the Washington DC area.Your essential job functions...SeniorContract work- ...Sana Biotechnology seeks a Senior Systems Administrator to design, implement, and operate infrastructure supporting corporate, research, laboratory, and regulated environments across multiple sites. The role involves managing on-premises and cloud systems, leading technical...Senior
- ...holidays a year, including 2 personal holidays ~ Reimbursement for professional licensure Job Summary The Senior Systems Administrator ensures the reliability, performance, and security of our Windows infrastructure—both on-premises and in Azure. This role provides...SeniorFull time
- ...certifications, which include ISO 9001:2008 Quality Management System (QMS), ISO/IEC 20000-1:2011 IT Service Management Systems (SMS... ...), and CMMI-DEV Level 3"Job DescriptionSr. MS SQL Database Administrator (DBA)Location: Arlington, VAFull-timeJob Description:Manage, Configure...Senior
- ...country from threats. Job Description Advance how our customers operate while you advance your career. Join GDIT as a Systems Administrator SME and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you....Senior
- ...Job Description Job Description Senior Systems Administrator Employment Type: Full Time, Senior-level Department: Legal/IT CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal...SeniorFull timeContract workFor contractorsWork at officeFlexible hours
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