Systems Administrator
Leidos
Mid/Sr System AdministratorLeidos has a new and exciting opportunity for a Mid/Sr System Administrator in our Intel Sector's Cyber & Analytics Business Area (CABA). 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 Summary:The selected individual will provide system administration support for a large, complex network environment with geographically distributed systems. The role supports system engineering requests by delivering solutions that meet operational needs, and by upgrading, sustaining, and maintaining existing capabilities. The candidate must be comfortable working in a fast-paced environment that includes multiple air-gapped systems, each with its own domain and supporting infrastructure. The position also requires maintaining a complex IT environment involving multiple users, as well as associated storage and network infrastructure. This role requires an energetic, focused, and driven individual who can adapt quickly to changing priorities. The candidate must demonstrate strong system administration and troubleshooting skills and work effectively with the team to execute a variety of network-centric system administration tasks.Responsibilities Include:The selected individual will be responsible for installing applications, administrating systems and processes, and ensuring issues are identified and resolved in a timely manner. She/he will be responsible for ensuring server and desktop configurations are optimized and running continuously and efficiently. The selected individual will also perform security management and application performance optimization functions.Additional responsibilities may include:Administration/sustainment of a system that provides a web-based application for storing, sharing, and distributing information.Creating and maintaining complex server enclaves, including analyzing system scanning reports, patching, cert renewals, vulnerability management assessments, and active directory configurations.Identifying and correcting hardware and software issues.Responding to system administration, operations, and maintenance problems, and developing re-work solutions.Creating and maintaining documentation of complex server/network environments to ensure that clear, concise and accurate information is readily available for incident resolution.Communicating with users and external support personnel regarding system outages and upgrades, and conferring with upper management regarding recommended resolution options.Basic QualificationsBachelor's Degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or a related technical field and at least 8 years of relevant experience. Additional experience may be substituted for a degree.Must have experience as a systems administrator providing direct support to end users and technical staff (developers, testers, engineers, etc.).Must be proficient with Windows Server 2019 and Active Directory.Must have experience with software/hardware deployment, patches, operating systems, and basic system backup and restore functions.Must have experience with/be familiar with SALT, Ansible, Splunk, Puppet, SolarWinds, Nessus.Must have experience with and/or have knowledge of Red Hat and VMWare.Must have a solid understanding of advanced security protocols and standards.Must have experience with both Client and Server virtualization environments.Must have experience with installation, configuration, troubleshooting, and reimaging hardware.Must have a solid understanding of information security principles and practices.Must be able to lift up to 50 lbs.Must be able to support occasional day or short duration travel.Clearance Required: Must have TS/SCI with Polygraph.Preferred QualificationsProficiency with SQL Server.SALT and Python scripting experience.Experience supporting a software configuration management and development environment.Experience working in an Agile Development Environment or on an Agile Team.Knowledge of PKI systems which use HSMs to validate key and NTP for synchronization.Knowledge of PowerShell and PowerCLI.Experience in documenting and providing information for security accreditation and certification.At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today.
- System Administrator 3Required Skills: Fifteen (15) years system administration experience in programs and contracts of similar scope, type, and complexity within the Federal Government is required. Bachelor's degree in a technical discipline from an accredited college...SuggestedRemote work
$77.6k - $176k
System AdministratorThe Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you... ...the Department of Defense? We’re looking for a System Administrator to help us design, deploy, and maintain Cross Domain Solutions...SuggestedFull timeContract workPart timeWork at officeLocal areaRemote 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...SuggestedFull timeContract workPart timeWork at officeLocal areaRemote work- ...CYBERCORE TECHNOLOGIES TEAM.We are GROWING! Bring your Technical Capabilities, Enthusiasm, and Team Focus.Opportunities for System Administrators (Virtualization) - Active TS/SCI Poly.Responsibilities:Provide training/assistance to local technicians on course deployment...SuggestedLocal area
$100k - $165k
...quo. For over 20 years, our team provides expertise in network, system engineering and both offensive and defensive cybersecurity... ...Solutions, Inc. is seeking a TS/SCI Polygraph cleared System Administrator to join our team in Fort Meade, MD.RequirementsAWS cloud resources...SuggestedTemporary workLocal area$135k - $216k
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...Contract workRemote workShift work- ...Secret SCI with Fullscope Polygraph clearance to be considered.*ProSync is actively seeking a highly skilled and motivated System Administrator II (SA) who Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages...Contract workFlexible hours
- ...'s mission to "Define and Redefine the State of Possible,” please apply today!We are seeking a highly skilled and motivated System Administrator (SA) who possesses extensive experience in supporting Linux-based systems, along with a solid foundation in Windows environments...Contract workFlexible hours
- JOIN THE CYBERCORE TECHNOLOGIES TEAM.We are GROWING! Bring your Technical Capabilities, Enthusiasm, and Team Focus.System Administrator - TS/SCI Poly in Annapolis Junction, MDRequired Candidate Qualifications:Active TS/SCI Poly8 years demonstrated systems administration...
$92.3k - $166.85k
Mid/Sr System Administrator Leidos has a new and exciting opportunity for a Mid/Sr System Administrator in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission...Full timeLocal areaImmediate startFlexible hours$110k - $130k
...readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams... ....Position OverviewThe Network Operations (NetOps) System Administrator is a critical member of the team responsible for providing top...Full timeContract workTemporary workWork experience placementWorldwideShift workWeekend workWeekday work$92.3k - $166.85k
...customers as they address evolving national security challenges.About the OpportunityLeidos is seeking an experienced Senior System Administrator to support the implementation, operation, troubleshooting, and maintenance of IT systems and infrastructure. You will manage...Full time$87.1k - $157.45k
Leidos has a new and exciting opportunity for a System Administrator in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and...Full timeWork at officeLocal areaImmediate startRemote workFlexible hours$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...Contract workFor contractorsShift work- ...Job Description Job Description System Engineer - Linux CLI/Jira - 20+ yrs of Experience - TS/SCI w/Poly clearance is required... ...requires strong Linux CLI expertise and deep Jira Service Desk administration experience, with responsibility for driving cross‑stakeholder...Contract workRemote workShift work
$199k - $235k
...supporting at least one Delinea/Thycotic product (e.g., Secret Server, Privilege Manager, DevOps Secrets Vault). Linux Systems Administration: Strong background in Linux administration across enterprise distributions (e.g., RHEL, CentOS, Rocky Linux, Ubuntu) and sustaining...Hourly payContract workWork experience placementImmediate startFlexible hours- ...FLASH Technology Group in Laurel, Maryland, seeks a System Administrator III with an active TS/SCI with Polygraph to join our Infrastructure team. You will work across OpenStack, AWS, and VMware, focusing on Linux VMs, security, and DevOps automation. Responsibilities...
$190k - $210k
...Senior System Administrator Location: Annapolis Junction, MD Compensation Range: $190 -$210K Active TS/SCI w/ Polygraph needed to apply Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the...$77.6k - $176k
...Job Number: R0236262 System Administrator The Opportunity Your technical 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 Defense? We're looking for a System...Full timeContract workPart timeWork at officeLocal areaRemote work- ...AdministratorJob LocationAnnapolis Junction, MD Bethesda, MD Chantilly, VA Columbia, MD Laurel, MDSecurity ClearanceTop Secret/SCI PolygraphExperience LevelUnspecified Mid Level Career (5+ yrs experience)Job DescriptionSystem Administrator WMA, VA 7/30/2026 group id: 10118033...
- ...None Basic Requirements Security+ Cert 20 years experience as a system engineer Bachelor’s degree in a technical discipline 5... ...support across all levels (both in-person and via phone) Systems Administration: Linux Server administration alongside Windows 10/11 and Windows...Full timeImmediate startRemote workShift work
$105k - $125k
...System Administrator Location: Annapolis Junction, Maryland Type: Contract Compensation Range: $105 -$125K *Clearance: Active TS/SCI w/ Polygraph needed to apply* Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense...Contract work- ...Vibrint is a trusted provider of mission-critical systems and analysis that transform our customers' capacity and capability in harvesting... ...___________________________ We are seeking a Senior System Administrator for a funded role with quantifiable Linux system...Temporary workWork experience placementLocal areaImmediate start
- ...Please do not apply if you do not currently possess this level of clearance.Telework: NoneBasic Requirements:20 years experience as a system engineerBachelor's degree in a technical discipline 5 additional years of experience as a system engineer may be substituted for a...Immediate startRemote work
- ...MANTECH seeks a motivated, career and customer-oriented System Administrator to join our team in the Annapolis Junction, MD Responsibilities include but are not limited to: Provide support for implementation, troubleshooting and maintenance of networked and...Flexible hours
- ...Systems Administrator 1 Location Annapolis Junction, MD Job Code 2149 of Openings 1 Apply Now ( DCCA is a veteran-owned IT business specializing in providing innovative solutions to a variety of government agencies and commercial enterprises since 1982. DCCA...Flexible hours
$170k - $200k
...Systems Administrator Annapolis Junction, Maryland, United States GRVTY is seeking a Systems Administrator with a TS/SCI + Poly clearance to join one of our top projects in Annapolis Junction, MD. The Systems Administrator provides support for implementation, troubleshooting...Contract workImmediate start$160k - $175k
...member has the opportunity to make a difference We rae seeking a motivated, career-oriented, and customer-focused Senior Systems Administrator to join our team at Annapolis Junction, Maryland . This is an onsite position. Primary Responsibilities:...Hourly payContract workWork experience placement- ...System Administrator Annapolis Junction, MD ( -ACS Description Athenix Solutions Group is looking for a System Administrators a variety of roles to maintain and provide technical support for diverse software and hardware systems assisting in the defense of our...Remote work
$100k - $200k
...Mid/Sr System AdministratorAnnapolis Junction, MD Top Secret/SCI Polygraph Career Level not specified $100,000 - $200,000Job DescriptionThe Mid/Sr System Administrator will provide system administration support for a large, complex network environment with geographically...Local area
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