Systems Administrator
$131.3k - $237.35kLeidos
Leidos is looking for a Systems Administrator with AWS cloud experience in a Windows environment to perform O&M/A&A/patching duties as well as assist with managing/upgrading their SQL Servers. Candidate must be proficient in the MS Product Suite to help move their COTS products into their cloud environment. SPLUNK experience is more important than McAfee.Primary Responsibilities:Looking for a Systems Administrator with AWS cloud experience in a Windows environment to perform O&M/A&A/patching duties as well as assist with managing/upgrading their SQL Servers.Candidate must be proficient in the MS Product Suite to help move their COTS products into their cloud environment. Expectation requires support specializing in system engineering to perform operational and system administrative tasks, identify and remediate system risks, and implement proactive solutions that address evolving technological infrastructure needs.The SE will work closely with the customer for work prioritization.The SE will execute systems engineering tasks as necessary to support the main information technology enterprise.The SE will provide technical support and assist in the resolution of escalated technical issues.The SE will plan and manage hardware (HW) and software (SW) modifications and upgrades.The SE will serve as lead for select IT contractors.The SE will support the activities and future growth of the customer's virtual environment through vendor discussions, Technical Exchange Meetings (TEMs), system patching and upgrades, Assessment & Accreditation (A&A) efforts, backup solutions, and Disaster Recovery (DR) implementation in furtherance of an adoption of a cloud environment.The SE will work occasional nights, weekends, and Holidays as necessary.Basic Qualifications:Must have an active TS/SCI with Poly.Must have a Bachelor's degree and at least 12 years of experience OR a Master's and at least 10 years of experience OR 16+ years of experience in lieu of a degree.* The below skills are required by the client. Due to the mission's pace, some of the required skills must be currently in use or have been used within the last six months.Experience serving as a team lead.Experience supporting a stand-alone environment.Experience planning and leading software modifications and upgrades.Experience managing an on-premises virtual infrastructure.Experience planning, implementing, and maintaining a Disaster Recovery Site.Experience transitioning an on-premises virtual solution to a virtual private cloud (VPC).Experience managing MS Product Suite, MS Server 2012/2019 and MS SQLExperience administering a vulnerability assessment tool, for example Rapid7 and Nessus.Experience managing virtual appliance suites, for example Nutanix and Rubrik.Experience administering SPLUNK.Experience administering McAfee.Experience interacting with end users to provide guidance and hands-on support to help resolve problems, concerns, and errors and to explain or demonstrate procedures and techniques.Experience maintaining system accreditation.Experience conducting security audits of virtual environments in collaboration with external groups.Preferred Qualifications:Experience supporting TeamMate+, TeamMateAM, and TeamMate Analytics .Experience supporting Case Management Tracking System (CMTS).Experience supporting Idea.Experience making virtual machine configuration changes necessary to resolve trouble tickets or to comply with customer's requirements and IT best practicesExperience administering user access by adding and deleting user accounts, maintaining user permissions and access privileges.Experience making application software and operating system configuration changes necessary to resolve trouble tickets or to comply with Sponsor requirements and IT best practices.Experience implementing, with oversight, the customer's requirements.Experience evaluating and mitigating software security vulnerabilities.Experience with the customers unique IT infrastructure and ongoing projects.Experience with the customer's audit and analysis software packages.Experience communicating orally and in writing with stakeholders.Experience conducting data transfer operations.Experience executing O&M tasks as necessary to support the Sponsor’s software and hardware infrastructure.#MSBAIf 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:September 10, 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 $131,300.00 - $237,350.00The 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: Chantilly, VAType: Full time
$98.1k - $220k
.... Government entities that require secure communications and systems. The operational need to add members to our support staff will... .... In this multifaceted position, you will manage systems administration, security operations, compliance activities, and user administration...SuggestedContract workTemporary workWork at officeLocal areaRelocation$104k - $166k
ResponsibilitiesResponsibilities include, but are not limited to: monitor system health, troubleshoot system problems, maintain storage systems, interface with other parts of the team for hardware, network, and infrastructure support, provide after-hours on-call/call-in...SuggestedFull timeContract workRemote workShift work- IT System Administrator TS/SCI CI polyDepartment: Government Customer- ChantillyLocation: Chantilly, VATENICA is looking to hire an IT System Administrator. Responsibilities: - Perform O&M functions needed to sustain or restore hardware, software and network services.-...SuggestedWork at office
- ...effective installation and performance of advanced operating system hardware and software on servers. • Install new software releases... ...projects • Thorough knowledge of good server and system administration principles Additional InformationAll your information will be...SuggestedWork experience placement
$104k - $166k
...Visit peraton.com to learn how we’re keeping people around the world safe and secure.ResponsibilitiesWe are seeking a skilled Systems Administrator with an active TS/SCI clearance to join our team supporting mission-critical operations. The ideal candidate will manage,...SuggestedContract workTemporary workShift work$116.35k - $210.33k
...range of capabilities in Digital Modernization, Mission Software Systems, and enabling technologies like Artificial Intelligence and... ...!Your greatest work is ahead! We are seeking a Senior Systems Administrator to lead execution of vulnerability remediation and system hardening...Full time- DescriptionPerforms high-level, day-to-day operational maintenance, support, and upgrades for complex operating systems, workstations and servers. Coordinates, directs and performs complex software installations and upgrades to operating systems and layered software packages...
- OverviewWe are seeking an experienced Windows Systems Administrator to manage, monitor, and maintain Windows-based server environments hosted within Amazon Web Services (AWS).The Systems Administrator will be responsible for supporting Windows Server infrastructure across...
$125.12k - $172.04k
...telecommunications, life safety, automation and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia, M.C. Dean delivers... ..., and cybersecurity industries.We are seeking a System Administrator 4 to join our Security and Electronic Systems (SES) business Unit...Work at officeLocal areaFlexible hoursNight shift$86.8k - $198k
Infrastructure Systems AdministratorThe Opportunity:Your combination of people skills and system administrator and cybersecurity expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting...Full timeContract workPart timeWork at officeLocal areaRemote work- ...System Administrator - SMEWWT is seeking a Systems Administrator – SME. The Systems Administrator (SME) serves as the principal authority for enterprise systems architecture, infrastructure modernization, and zero-trust security implementation. This role leads the design...
$190k - $210k
...Job PostingMarkon is seeking an experienced Systems Administrator to support and maintain enterprise IT infrastructure in a secure, mission-focused environment. The ideal candidate will have deep experience managing Linux and Windows environments, implementing security...Temporary workFlexible hours- ...Cleared Systems AdministratorGeneral Atomics Integrated Intelligence Inc. (GA Intelligence) is looking for an experienced Cleared System Administrator with a Top Secret/SCI clearance to provide on-site support at our Chantilly, Virginia location.Duties And Responsibilities...Work experience placement
- ...Systems AdministratorBase-2 Solutions is seeking a Systems Administrator to join a mission-focused team that maintains applications, services, microservices, Platform as a Service (PaaS), and support services. The role involves maintaining and enhancing current application...Work experience placementLocal area
- ...Altus Consulting is seeking a reliable and detail-oriented Systems Administrator to join our team. You will be responsible for the day-to-day operation and maintenance of our IT infrastructure, ensuring its stability, security, and performance. Responsibilities: Install...Contract work
$146.67k - $249.33k
...Tier 2 System AdministratorBAE Systems, a top-ten prime contractor to the U.S. Department of Defense, enables the U.S. government... ...environment with great people? We are looking for a Tier 2 System Administrator with a robust Windows 10/11 troubleshooting background...Full timeFor contractorsWork at officeLocal areaFlexible hours- ...Systems AdministratorMaintains operation of multi-user computer systems, including coordination with network engineers. Duties may include setting up administrator and service accounts, maintaining system documentation, tuning system performance, installing system wide...
$130k - $150k
OverviewAMERICAN SYSTEMS, a 100% employee-owned federal government contractor, is seeking a motivated, customer-focused Senior Systems Administrator to provide Tier II operational support for a high-visibility customer mission.In this full-time, onsite first-shift role,...Full timeFor contractorsRelocationShift workDay shift$90k - $100k
...A leading IT solutions provider in Herndon, Virginia, is seeking a Systems Administrator (Top Secret Cleared) to support high-level law enforcement operations. This role involves managing enterprise email and communication tools, responding to IT service requests, and...$86.6k - $181.8k
Job Title: Cloud Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: Top... ...of Travel: None* * *The Opportunity:Serve as a Cloud Systems Administrator supporting our National Security Mission. You will oversee and...Contract workWork experience placementFlexible hours- Reporting to the Director of IT, this role provides technical support, application maintenance, and data administration across ERP and core business systems. The ideal candidate is a self-starter with strong problem-solving skills, responsible for maintaining system integrity...Work at office
- ...operations and maintenance of Enterprise Information Technology systems. Manage and handle service desk tickets and find resolutions... ...external users of the organization. Support and provide administrative and maintenance services to URAC’s internal systems. Work...Full timeWork experience placement
$112.2k - $196.4k
...you to achieve your full potential. Unleash your talent and redefine what’s possible.Job Description:Are you a skilled Linux Systems Administrator looking to work on mission-critical systems in a dynamic environment? Parsons is seeking a mid-level Linux Systems...Full timeRemote work- ...the mission. SPA: Objective. Responsive. Trusted. SPA is hiring an Linux and Kubernetes Administrator to support a multi-vendor infrastructure with a focus on Linux based systems. This position is aligned with the Operations Research and Cyber Analysis (ORCA) division...Work at officeImmediate startRemote workFlexible hours
- DescriptionPerforms high-level, day-to-day operational maintenance, support, and upgrades for complex operating systems, workstations and servers. Coordinates, directs and performs complex software installations and upgrades to operating systems and layered software packages...
$135k - $216k
ResponsibilitiesPeraton is hiring a Senior RHEL System Administrator to manage and administer Red Hat Enterprise Linux (RHEL) systems and infrastructure within a dedicated production network. This is a hands-on role focused on developing and deploying repeatable processes...Contract workMonday to FridayShift work$90.3k - $189.6k
Job Title: Linux Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS... ...: None* * *The Opportunity:CACI is seeking a Linux Systems Administrator to support a long term, multi-year, high performing program. A...Contract workWork experience placementFlexible hours- ...S. person status as defined by 8 U.S.C. 1324b(a)(3).Please review the job details below.Vantor is currently seeking a Linux System Administrator to join our team. This role will be performed in our Vantor facility located in Herndon, VA.As a Vantor team member, you will...Full timeRemote work
- ...About the Role Redhorse transforms the way government uses data and technology to support its mission. We are seeking an elite System Administrator to serve as the technical authority for the design, development, and deployment of a mission‑critical web‑based internal...Contract work
- Overview Systems Planning and Analysis, Inc. (SPA) delivers high-impact technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are known for continuous innovation for our government customers, in both...Remote work
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