Systems Administrator 3
$202.3k - $273.7kPraxis Engineering
Job Qualifications Bash (Scripting Language), COTS Implementations, Linux Command, Python (Programming Language) Type Of Requisition Regular Clearance Level Must Currently Possess Top Secret SCI + Polygraph Clearance Level Must Be Able To Obtain Top Secret SCI + Polygraph Public Trust/Other Required None Job Family IT Infrastructure and Operations Skills Bash (Scripting Language), COTS Implementations, Linux Command, Python (Programming Language) Certifications None Experience 15 + years of related experience US Citizenship Required Yes Job Description
SYSTEMS ADMINISTRATOR
Advance how our customers operate while you advance your career. Join GDIT as a Systems Administrator and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you.MEANINGFUL WORK AND PERSONAL IMPACT
The System Administrator shall be responsible for providing support for a large-scale Linux system including installation of COTS/GOTS/FOSS software, day-to-day operations, monitoring, and problem resolution for all the compute, network, memory, and storage system components. In addition, the System Administrator shall maintain the system security integrity and configure network components, along with implementing operating systems enhancements to improve reliability and performance. What You’ll Need To Succeed Bring your technology expertise and drive for innovation to GDIT. The Systems Administrator must have: Education: Technical Training, Certification(s) or Degree Experience: 15+ years of related experience Security clearance required: TS/SCI w/ Polygraph Position Required Skills: Experience using the Linux CLI Experience developing scripts using Bash/Python Experience in performing System Administration including installation, configuration, and support of COTS/GOTS/FOSS software in a large-scale Linux cluster environment General technical knowledge regarding compute, network, memory, and storage system components Experience with Red Hat Satellite systems management solution Familiarity using Splunk for ingesting, indexing, searching, monitoring, and analyzing big data Experience with the sustainment and support of large Linux clusters including day-to-day operations, monitoring and problem resolution Experience configuring and sustaining VMware ESXi/Virtualization environments Experience with IaC (Infrastructure as Code) principles and automation tools such as SaltStack and Ansible Experience with corporate STE/STN security compliance policies and procedures Experience using system monitoring tools such as HPE One View and Nagios Experience with containerization technologies such as Docker Position Desired Skills: Experience with container orchestration technologies such as Kubernetes Experience with distributed files systems such as Weka, CEPH, GPFS, and HDFS Experience with the Atlassian Suite of Tools such as Jira and ConfluenceGDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do. Growth: AI-powered career tool that identifies career steps and learning opportunities Support: An internal mobility team focused on helping you achieve your career goals Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off Community: Award-winning culture of innovation and a military-friendly workplaceOWN YOUR OPPORTUNITY
Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.- IntelligenceEngineered
- MD_2026Alumni
$175k - $185k
...challenges, drive digital transformation, and ensure mission-critical systems perform at the highest levels. When the mission demands... ...discipline from an accredited college or university plus three (3) years of systems engineering experience. Required Technical...SuggestedFull timeContract workWork experience placementImmediate start$205k - $225k
...Job Description Tensley Consulting is seeking a System Engineer (SE) Level 3 to support complex systems engineering efforts across a large-scale government program. The SE Level 3 will analyze user requirements, concept of operations documents, and high-level system...Suggested$7.5k
...this mission-critical contract providing systems architecture and engineering in a world-wide... ...Technical Analysts and System Administrators, responsible for the architecture, engineering... ...hours per month. The System Engineer 3 shall possess the following capabilities...SuggestedHourly payContract workPart timeWork experience placementImmediate startFlexible hours$7.5k
...join us! Job Description: Applies systems engineering principles throughout the systems... ...users and the customer. The Level 3 Systems Engineer shall possess the... ...Strong System Engineering and System Administration. Strong knowledge of Security Compliance...SuggestedWork experience placementImmediate startFlexible hours- ...'s requirements, concept of operations documents, and high-level system architectures to develop system requirements specifications. Analyzes... ...discipline from an accredited college or university plus three (3) years of systems engineering experience.- Scrum Coach-Scrum...SuggestedTemporary workLocal area
- ...System AdministratorQue Technology Group, Inc., is looking for a highly knowledgeable System Administrator to support daily operations and customer requirements. Requirements include, but... ...employee hired based on their referralUp to 3 paid Code Red days due to customer...Immediate start
- ...seeking a motivated, career-oriented, and customer-focused Senior Systems Administrator to join our team at Annapolis Junction, Maryland. PRIMARY... ...required Five weeks of PTO + 10 Federal holidays $3,000 annually for professional development $1,200 annual phone...Immediate start
$99k - $225k
...The Opportunity Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another.... ...assistance, and basic access troubleshooting. Provide Tier 2 and Tier 3 escalation support for complex issues affecting servers,...Full timeContract workPart timeWork at officeLocal areaRemote work$87.6k - $163.2k
...employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations... .... Basic Qualifications for Principal Engineer Systems (Level 3): Qualified applicants must have 5 years of experience with a...Full timeRemote workRelocation packageShift work$110k - $130k
.... Position Summary We are seeking an experienced Classified Systems Administrator to support, maintain, and secure our mission-critical, high-consequence... ...after‑hours alarm/intrusion response What You Bring 3+ years of experience as System Administrator (SA) providing...Full timeTemporary workWork at officeMonday to FridayFlexible hoursShift work$150k - $205k
...our customers' critical needs. Job Summary Seeking a Cloud Systems Administrator to sustain, administer, and optimize enterprise cloud environments... ...of cloud-based systems by providing Tier 1 through Tier 3 operational support, troubleshooting complex Linux environments...Hourly payWork experience placementShift work$10k
Description Columbia Technology Partners is seeking a System Administrator to support mission-critical IT systems within secure operational environments... ...good benefits, for really GREAT people: Medical: CTP offers 3 superior plans, bringing our employees both in-network and...Temporary workFor contractorsLocal area$7.5k
...Application Engineers, Database Engineers, Information Systems Security Engineers, Network Engineers, Software Engineers, System Administrators, Systems Engineers, Technical Writers, by... ...Coverage + Insurance: Medical: Three (3) rich healthcare options through CareFirst with...Contract workWork experience placementImmediate startFlexible hours$120k - $157.5k
...) Best Places to Work 2026! Belay Technologies is seeking a System Administrator (SA) to join our Intel team. The SA will provide Linux systems... ...Benefits: ~8 weeks paid leave - 4 weeks of personal leave, 3 Yay! days, take off on your birthday,11 paid holidays and optional...Contract workWork experience placementFlexible hours- ...The Senior Systems Engineer leads the design, integration, testing, deployment, training, and sustainment of packet-based hardware... ...performance tuning. Deliver training and technical guidance to administrators, operators, and cross-functional engineering teams while...
$116.35k - $210.33k
...Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our Intelligence Sector, Cyber & Analytics Business Area... ...that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days...Immediate startFlexible hours$170k - $200k
...cloud-native technologies, encompassing containerization (Docker), orchestration (Kubernetes), and major cloud platforms. Systems Administration: Solid grasp of Linux systems, cloud networking, and security principles. Desired Skills: API & SDK Tooling:...Contract workWork experience placementLocal area- Summary The Linux Administrator is responsible for all aspects of systems administration, including servers, applications, workstations, and systems engineering support... ...Science, or related field, or equivalent experience (3-5+ years of relevant hands-on experience may be...For contractorsLocal areaWeekend work1 day per week
$130k - $160k
...System Administrator 1Amentum is seeking a System Administrator 1 to provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems. Provides support for the escalation and communication of status to agency management and...Hourly payContract work$100k - $125k
...withLAUKOA are posted here as they become available. Check back often for new positions! SUMMARY: LAUKOA is seeking to fill a System Administrator position for the Defense Health Agency (DHA) on site at Andrews AFB. The candidate will perform tasks to support the...For contractorsWork experience placementLocal areaRemote workFlexible hours$150k - $175k
...Job Summary The primary role of the Worker Type Regular Job Description Job 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...Permanent employmentContract workWork experience placementLocal area- ...IT Systems Support SpecialistProvides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations...Temporary workLocal area
$116.35k - $210.33k
...Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our Intelligence Sector, Cyber & Analytics Business Area (... ...anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3...Local areaImmediate startFlexible hours- ...and contracts. Come be part of a family and team that makes a difference for tomorrow today! Desired Skills: The Level 2 System Administrator (SA) shall possess the following capabilities: Provide support for implementation, troubleshooting and maintenance of IT systems...
- Member of a cross-functional team providing Windows systems administration/engineering expertise and guidance for a critical enterprise-wide messaging system used in the Information Transport Service (ITS) program. Responsible for platform hosting and performance providing...Local area
- Reflexive Concepts is seeking a skilled System Administrator to join our team! Specifically, the DEFSMAC team is seeking a System Administrator with strong Linux experience. This position requires an in-scope polygraph (within 7 years). Key Responsibilities Manage and...
- ...Services, and Hyper-V - Experience with Powershell scripting Preferred Qualifications: - Experience with Cisco and Dell networking systems - Ability to upgrade code on Cisco and Juniper switches - Strong Windows and Linux troubleshooting skills with hardware and...Remote work
- ...person mixed Contractor/Civilian SA team supporting 3rd party systems. All supported systems are Linux hard boxes or VM’s. You will... ..., share drives and home directories. Required Skills LINUX Administration. Solid experience with STE/STN, DISA STIG compliance work on...For contractors
$170k - $200k
GRVTY is seeking a Systems Administrator with a TS/SCI + Poly clearance (applicable to this customer) to join one of our top projects in Annapolis Junction, MD. The Systems Administrator provides support for implementation, troubleshooting and maintenance of Information...Contract 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...Flexible hours
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