Senior System Administrator (TS/SCI Poly)
PAE Government Services Inc.
PAE Government Services Inc. is seeking a System Administrator 3 in Maryland to provide Tier 1 and Tier 2 support for IT systems. The role involves managing system infrastructure, ensuring reliable operation of client/server, storage, and network devices. The ideal candidate must have a bachelor's degree, TS/SCI Poly clearance, and 15 years of experience. Benefits include health insurance, PTO, and retirement plans, creating a supportive work environment. #J-18808-Ljbffr PAE Government Services Inc.
- HRB is looking for a System Administrator III located in Annapolis Junction, MD. The role requires TS/SCI clearance and involves managing IT systems, providing day-to-day support, and optimizing system performance. Ideal candidates will have ten years of experience in...Senior
- Halogen Engineering Group, Inc is looking for a System Administrator specializing in DevOps/AWS, requiring a minimum of 10 years of experience... ...in Annapolis Junction, Maryland, and necessitates a current TS/SCI clearance with polygraph. Comprehensive benefits are...Senior
- ...Front Line Engineer to support the NSA. The ideal candidate will have extensive experience in system administration and LAN management, along with an active TS/SCI Full Scope Poly clearance. Responsibilities include configuring system software, providing technical support...SeniorShift workNight shift
- Base-2 Solutions is seeking a system/network administrator to support IT systems at Annapolis Junction, MD. Ideal candidates should have 15 years... ...a Bachelor's degree in a technical discipline, along with TS/SCI clearance. This role involves troubleshooting, managing infrastructure...SeniorFlexible hours
- A defense contracting company in Maryland is seeking a System Administrator II to manage and support IT systems. Candidates must have 10 years... ...in both Linux and Windows systems, and an Active Top Secret SCI with Fullscope Polygraph. This role involves troubleshooting,...SeniorFlexible hours
- Bigbear.ai is seeking a Senior Systems Administrator to work on-site in Annapolis Junction, MD. In this role, you will manage and optimize systems... ...experience and proficiency in Linux, you will also need a TS/SCI clearance and Security+ certification. Bigbear.ai offers...Senior
- TekSynap is seeking a Senior Systems Administrator to ensure the smooth operation of multi-user computer systems, particularly in relation to... ...Agency’s mission. The ideal candidate will possess an Active TS/SCI + CI Poly clearance and have extensive experience in systems...Senior
- Quevera, located in Annapolis Junction, MD, is looking for a Sr. System Administrator / System Engineer with a focus on Linus and VMWare. This role requires a current TS/SCI Polygraph clearance and extensive experience in VMWare VM configuration. You'll be part of a dynamic...Senior
$145k - $190k
A veteran-owned small business in Annapolis is seeking a System Administrator to provide crucial support for a heterogeneous IT environment.... ...field or equivalent experience, along with security clearances TS/SCI and DoD 8570 certification. The position offers a...Senior$150k - $160k
Amentum is seeking a System Administrator 2 to provide Tier 1 (Help Desk) and Tier 2 (Escalation)... ...customers. Essential Responsibilities: Senior Tier level ticket support for one of... ...as an end user Clearance Required: TS/SCI Poly Minimum Education: Bachelor’s degree...Hourly payLocal area- ...Dynamics Information Technology is seeking an Endpoint Management Systems Administrator responsible for supporting national defense efforts. The... ...IT-related degrees or extensive experience, with active TS/SCI clearance and relevant certifications. Strong skills in email...Senior
$1,500 - $3,000 per month
...personal and family goals with flexibility. We offer secure network systems and software engineering solutions in both the public and... ...cycle. Clearance and Position Details Clearance Required: TS/SCI with poly Title: Lustre Engineer- Software Integration Engineer IV...Hourly payFull timeTemporary workLocal area$100k - $140k
A day in the life: We are looking for a Linux System Administrator to join a mission critical software development effort that provides automated... ...on an ad hoc basis. An active US Government TS/SCI security clearance with Polygraph Bonus Skills: Experience...SeniorSummer holidayImmediate start$1,500 - $3,000 per month
...goals with flexibility. Tulzi offers secure network systems and software engineering solutions in both the... ...in the systems development life cycle. Required: TS/SCI with poly Clearance Title: System Administrator I Location: Annapolis Junction, MD System Administrator...Hourly payTemporary workLocal area- SYSTEM ADMINISTRATOR - DevOps/AWS- 10 yrs of Experience - TS/SCI w/Poly clearance is required - TB Posted On 06/23/2026 Job Information Technology Work Experience 10-15 Years Salary 177K-182K City Annapolis Junction State/Province Maryland 20701 Job Description System...Contract workTemporary workWork experience placementRemote workShift work
- Quevera is seeking a Sr. System Administrator / System Engineer for its Oracle SCIF location in Maryland. As part of our dynamic team, you'll... ...career growth opportunities. The ideal candidate will have a TS/SCI Polygraph clearance, Linux administration skills, and...Senior
$96.2k - $192.3k
...Services in Annapolis Junction, MD is looking for an experienced Systems Administrator. The ideal candidate will provide support for IT systems,... ...field is essential. Applicants must hold an active TS/SCI clearance and can expect a competitive salary ranging from $...Senior$170k - $175k
A leading technology consulting firm is seeking a Senior System Administrator with an active TS/SCI clearance and polygraph. The role involves implementing and maintaining IT systems, providing Tier 1 and Tier 2 support, and managing daily operations across various environments...Senior- Cornerstone Defense LLC is seeking an Expert System Administrator in Annapolis Junction, MD. Candidates must have an active TS/SCI clearance and a minimum of 15 years of experience in system administration. The role entails supporting the implementation and maintenance...Senior
$175k - $205k
Envision Innovative Solutions is hiring a Principal Systems Administrator in Annapolis Junction, Maryland. This role involves supporting IT systems... ...a Bachelor’s degree in a technical discipline. A current TS/SCI clearance with Full Scope Polygraph is required. The...Senior- Power3 Solutions is seeking a System Administrator III to provide support for the implementation and maintenance of IT systems. This role includes troubleshooting and managing infrastructure while ensuring optimal performance. The ideal candidate will have at least ten...Senior
$229.5k - $310.5k
Praxis Engineering is seeking a Systems Administrator SME in Maryland to support implementation and maintenance of IT systems. Candidates should... ...including health, dental, and vision coverage. An active TS/SCI with Polygraph clearance is required. #J-18808-Ljbffr Praxis...Senior- Power3 is looking for a System Administrator III in Annapolis Junction, MD. The candidate will provide support for implementation, troubleshooting, and maintenance of IT systems while managing system infrastructure. Responsibilities include Tier 1 and Tier 2 problem resolution...Senior
- ...national security technology provider is seeking an experienced systems administrator in Maryland. The role involves implementing and managing... ...equivalent field, along with significant experience and an active TS SCI clearance. Benefits include generous paid time off and...Senior
- ...24-week JCAC course may count as 6 months of experience) or may be considered equivalent to a technical associates degree. Active TS/SCI security clearance with a current polygraph is required Desired Qualifications Ability to analyze and produce intelligence information...SeniorFor contractors
- ...Job Title Restore System Administrator Job Type Regular Clearance Must currently possess: Top Secret SCI + Polygraph Must be able to obtain: Top Secret SCI + Polygraph Public Trust... ...support skills Security clearance level: TS/SCI with Polygraph Shift: Tuesday-Saturday 9...Remote workShift work
$150k - $225k
...services company is seeking a Database Administrator in Annapolis, MD. The role involves maintaining... .... Candidates must have an active TS/SCI clearance with Polygraph and at least five... ...PTO, and professional development assistance. #J-18808-Ljbffr Kinsley Power SystemsSenior$170k - $175k
A management and technology consulting firm is seeking a Senior System Administrator to support IT system infrastructure in Annapolis Junction,... ...candidate will have at least 10 years of experience and an active TS/SCI clearance. Responsibilities include troubleshooting,...Senior- ...troubleshoot mission-critical software applications. The ideal candidate requires a Bachelor of Science, over 8 years of experience, and a TS/SCI w/ Polygraph security clearance. Responsibilities include software development activities and integration with other COTS, GOTS,...Senior
$42.42 - $104.64 per hour
Wyetech, LLC is seeking a Systems Administrator to support IT systems for federal government customers. Responsibilities include troubleshooting... ...has a Bachelor's degree and ten years of experience, with TS/SCI clearance necessary. The role offers a competitive pay rate...SeniorHourly pay
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