Systems Administrator
$112.45k - $203.28kLeidos
Description Leidos is seeking a System Administrator for a technical development program supporting the Sponsor’s Attribute Services within the IDAM/ICAM space. As a System Administrator on this program, you will design, develop, implement, and maintain a Cloud-Native Service architecture that software development teams can leverage to use cloud capabilities. This role works directly with implementation teams to provide technical guidance and implementation priorities related to cloud implementation. This role requires supporting an on-call rotation to ensure mission critical services remain operational 24/7/365. Rotation is typically to be on-call 1 full calendar week every 2 months. Primary Responsibilities This role provides technical leadership and delivers an innovative product, service, or a combination of products and services that address a customer\'s specific requirements. Support the development of enterprise software solutions within AWS. Duties include developing innovative approaches and solutions, using non-quantitative tools and guidelines from past experience. Security Patching Support of Servers in an AWS environment Provides execution guidance and practical engineering support to mission teams Ensures the mission critical application remains operational 24/7 Supports a COTS service that provides attribute data via an LDAP interface to hundreds of various Sponsor systems Required Qualifications Active TS/SCI with Polygraph BS degree and 12+ years of relevant experience. Additional experience in lieu of degree Must be an expert in using Linux-based operating systems Must have strong Bash skills Must have experience with security accreditation process Must have experience with the Cloud / Amazon Web Services Must be able to support System Administration/Privileged Access duties including an on-call rotation for a week approximately every two months Experience with Elastic tools (Elasticsearch, Logstash, Kibana, and Beats) Experience in Cloud Technologies and infrastructure -as-code concepts Understanding of aspects of architect and design enterprise cloud solutions and AWS Excellent oral and written communications skills Detail-oriented mindset Experience interacting with cross functional project teams including Software Development, System Engineering/ Verification and Validation, Security, Compliance and Quality Assurance Experience working in Agile environments Experience working with DevOps CI/CD related technologies (Github, Jenkins, Puppet, Docker, Rundeck, etc.) Experience with AWS Console, CLI, and manage services utilizing cloud services to build infrastructure as a code in an automated fashion Ability to read and perform complex software and infrastructure deployment instructions Desired Qualifications Container-related certification Certified Kubernetes Application Developer (CKAD) certification, demonstrating expertise in designing, building and running applications on Kubernetes Experience working with / handling Highly Sensitive Data Experience with LDAP technologies Minimum of one AWS Certification from the AWS Associate level (AWS Certified Architect Associate, AWS Certified Developer Associate, or AWS Certified SysOps Administrator Associate) 3+ years of C2S experience Cloud formation Managing complex Sponsor relationships and requirements gathering Experience with IAM / IdAM / ICAM delivery systems, Authentication, Authorization, and/or Attributes Experience with Tomcat Come break things (in a good way). Then build them smarter. We\'re the tech company everyone calls when things get weird. We don’t wear capes (they’re a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it’s always been done.” Original Posting October 8, 2025 For 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 $112,450.00 - $203,275.00 The 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. #J-18808-Ljbffr
$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- 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
$90.3k - $189.6k
Job Title: Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI... ...Local* * *The OpportunityCACI is seeking a Classified Systems Administrator to support and maintain mission-critical classified information...SuggestedContract workWork experience placementLocal areaFlexible hours$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...SuggestedWork at officeLocal areaFlexible hoursNight shift- 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...Suggested
- ...opportunity, unique challenges, and clear-sighted commitment to the mission. SPA: Objective. Responsive. Trusted. SPA is hiring an IT Systems Administrator to support a multi-vendor infrastructure with a focus on Linux based systems. This position is aligned with the Operations...Work at officeImmediate startRemote workFlexible hours
$131.3k - $237.35k
...of Commercial off the shelf (COTS), Government off the shelf (GOTS), and custom applications, as well as a large data lake. The system has on-premises components deployed at multiple data centers, as well as use of commercial cloud resources. The Linux Engineer will...Full timeWork at office- ...Location: Chantilly, Virginia Type: Contract Job #3365 Senior Systems Administrator Chantilly, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice...Contract workRemote work
- **Title:** Systems Administrator - COMSEC *Belong. Connect. Grow. with KBR!* KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position,...
$55k - $75k
We are seeking a motivated Systems Administrator to support and maintain our enterprise IT environment. This role is ideal for someone with solid foundational experience in Microsoft services, endpoint management, and hardware administration who is ready to broaden their...Full timeTemporary workFlexible hours- ...As a Senior Systems Administrator at GCI, you will support medium-sized business networks and small program networks with multiple users across several domains. Your role involves responsive and active management of all system administrator duties related to servers and...Shift work
- ...A leading technology solutions provider in Chantilly, Virginia seeks an experienced System Administrator to ensure the design and deployment of mission-critical applications in a classified AWS environment. The role demands strong expertise in system administration, cybersecurity...
$115k - $173k
...Title: Systems Administrator - COMSEC Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position...Local areaFlexible hours- ...Senior Systems Administrator II Employment Type: Full Time, Senior-level CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and...Full timeContract workFor contractorsWork at officeFlexible hours
- ...General Dynamics - IT in Alice Springs, Australia, seeks a Senior Systems Administrator to oversee and secure the organization's IT infrastructure. You will manage servers, AD, backups, patches, and security, with a focus on high availability and reliability. The role...
$112.45k - $203.28k
...Description Leidos is seeking a System Administrator for a technical development program supporting the Sponsor’s Attribute Services within the IDAM/ICAM space. As a System Administrator on this program, you will design, develop, implement, and maintain a Cloud-Native...$65k - $85k
...Overview We are seeking a skilled and self-driven Systems Administrator with strong expertise in cloud services, Microsoft enterprise technologies, virtualization, and modern security platforms The ideal candidate will have hands-on experience with AWS, Microsoft...$85k - $141.6k
...Intermediate Systems Administrator Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with...Hourly payContract workTemporary workWork experience placementLocal areaRemote work- ...At NS2 Mission, reliable infrastructure is the foundation of mission success. We're seeking a Systems Administrator to join our team in Chantilly, VA , where you'll be responsible for managing, maintaining, and optimizing enterprise server environments that support...Local areaRemote workFlexible hours
$55k - $75k
We are seeking a motivated Systems Administrator to support and maintain our enterprise IT environment. This role is ideal for someone with solid foundational experience in Microsoft services, endpoint management, and hardware administration who is ready to broaden their...Full timeTemporary workFlexible hours$86.6k - $181.8k
## Systems AdministratorChantilly, VA, USApply NowFind out how well you match with this jobJob ID327118Job Title: Systems AdministratorJob... ...Travel Required: NoneType of Travel: None\* \* \*The Systems Administrator that has IT Service Management (ITSM) platform administration...Contract workWork experience placementFlexible hoursShift work- ...MANTECH seeks a motivated, mission-oriented Senior Systems Administrator to join our team in Chantilly, VA. As a Senior Systems Administrator you will be responsible for providing a full range of Tier 2/3 IT support services and expertise to customer activities...
$130k - $140k
...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$86.6k - $181.8k
Job Title: DevOps Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start:... ...Travel: Local* * *The Opportunity:CACI is seeking a DevOps Systems Administrator to work with a focused team to engineer, build, deploy, and...Contract workWork experience placementLocal areaFlexible hours- ...System Administrator LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a proactive and detail-oriented System Administrator to join our team and help maintain...Temporary workFor contractorsImmediate startFlexible hours
- ...Position Overview We are seeking a highly skilled Systems Administrator to support mission‑critical systems in a secure environment. The ideal candidate has strong experience with cloud infrastructure, automation, CI/CD, and Linux administration, and thrives in a fast‑...Full time
- ...Title Systems Administrator - Expert ID 10000237 Department Information Technology Evans & Chambers partners with the US national defense community to create fully integrated, resilient, and innovative digital solutions that enable them to make smart decisions in real-...
- ...Employment Type Full Time, Senior-level Department Legal/IT Overview CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and creative people...Full timeContract workFor contractorsWork at office
- ...We are Seeking a Senior Systems Administrator with a minimum of 11 years' experience. Undergraduate or graduate degree in computer science or computer engineering. Specific skills may include the following: Required Skillsets: 11+ years' experience in systems design and...
$60k - $180k
...Cloud Migration, Applications and Infrastructure, Software Development, and Finance & Accounting. M9 Solutions is seeking a System Administrator to work onsite in support of a government contract for a client located in Chantilly, VA . An active TS/SCI clearance...Full timeContract workFor subcontractorFlexible hoursNight shift
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