Tier 2 Network Administrator - TS/SCI Clearance
CACI International
CACI International Inc. is seeking a Network Administrator – Level 2 to support the ECS3 program, focusing on enterprise networks across multiple locations. You will coordinate with NOC and staff to address break/fix, updates and upgrades for routers and switches, and contribute to engineering designs and SOPs. The role requires TS/SCI with poly, CCNA, and hands-on experience with Cisco/Juniper devices and advanced routing protocols. #J-18808-Ljbffr CACI International
- Peraton is seeking a Network Administrator in Washington, DC. This role focuses on Tier 2 network support, coordinating with the Network Operations Center to address... ...in remote locations with limited supervision. A TS/SCI w/ Poly and related certifications are required....SuggestedRemote work
- Share Point System Administrator - Level 4 (TS/SCI Clearance Required) Alexandria, United States | Posted on 08/20/2026 Candidate must have a Bachelor's... ...documentation of changes to the environment. Experience with Tier 2 & Tier 3 system administration. Experience...Suggested
- ...seeking a Training Center/Lab Support Network Administrator (SA2) in Ft. Washington, MD. You will... ...maintain user accounts, and provide Tier 1/2 help desk support for staff and students... ...Level 1 certification, and an active TS/SCI clearance with FS Poly. #J-18808-Ljbffr Beyond...Suggested
- Peraton in Washington, DC is seeking a driven Network Technician to join our Network and... ...Communications Architecture team. You will provide Tier II escalated support, perform in-depth... ...networks. The role requires a current TS/SCI clearance, DoD IAT II, and a Bachelor’s degree...SuggestedRemote work
- ...Transform technology into opportunity a Network Computer Systems Administrator with GDIT. A career in enterprise... ...(CCNP) preferred. ~ Security Clearance Level: Active TS/SCI with Polygraph ~ Location: 1... ...troubleshoot enterprise Layer 2 switching (Catalyst, Nexus, EX,...SuggestedRemote work
- Leidos is seeking a Systems Network Administrator (TS/SCI w/ Poly) to join the National Security Sector's Cyber & Analytics Business Area. The role supports enterprise IT systems, end users, and mission-critical operations in a collaborative team environment. The position...
- ...resources Position System Administrator, Level II Location: Glen Burnie... ...Requirement: Active TS/SCI clearance with full scope polygraph Certification... ...system, application and network administration. An Active TS... ...leave, 11 paid holidays, & 2 floating holidays. Company...Work experience placement
- Essential Network Security (ENS) Solutions, LLC is a service-disabled veteran owned... ...measures to include firewall administration/management. Required Education and Experience... ...(lAT) Level II role Security Clearance Level: TS/SCI clearance and ability to obtain and maintain...Temporary workLocal areaRelocation package
- ...make a personal impact as an Tier II Linux Administrator supporting our intelligence... ...smarter. Our work depends on a TS/SCI cleared professional joining... ...multiple Microsoft based networks spanning multiple security enclaves... ...disperse Tier 2 and Tier 3 team members...Contract workTemporary workRemote work
$124.09k - $161k
...Regular Clearance Level Must Currently... ...Top Secret SCI + Polygraph... ...(RHEL), System Administration Certifications... ...personal impact as an Tier II Linux... ...work depends on a TS/SCI cleared professional... ...based networks spanning multiple... ...disperse Tier 2 and Tier 3 team...Full timeContract workTemporary workPart timeImmediate startRemote workWorldwideFlexible hours$89.6k - $204k
Database Administrator (Entry Level to SME) TS/SCI with Poly REQUIRED Position... ...analysis, and assist in tier-3 escalation support... ...data distribution networks. • Integrate on-... ...Associates Degree with 2 years of relevant... ...government security clearance held. Dependent upon...Work at officeLocal area$104.2k - $138.9k
...in Arlington VA area. Candidates must have a current TS/SCI clearance.The Senior System Administrator leads the administration, maintenance, security, and... ...and resolve complex hardware, software, and networking issues with minimal supervision.Must have a current...Remote work3 days per week$62k - $141k
Tier 2 System AdministratorThe Opportunity: Your combination of people skills and system administration knowledge makes you the team hero, solving one... ...senior administrators and network engineers, you’ll... ...documentation and proceduresActive TS/SCI clearance; willingness to take a...Full timeContract workPart timeWork at officeLocal areaRemote work$125k - $225k
A technology solutions company in Laurel, MD, is seeking a Database Administrator with a strong background in Oracle systems. This full-time role requires a US citizenship and active TS/SCI clearance. The right candidate will have over ten years of DB experience and be...Full time- ...contractor in Maryland is seeking an experienced Systems Network Administrator to support IT systems implementations,... ...an IAT Level II certification, along with a current TS/SCI with Polygraph security clearance. This role offers competitive benefits and a flexible...For contractorsFlexible hours
$75.2k - $158.1k
Job Title: Network Administrator - Level 2 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel... ...services. Responsibilities As a Tier 2 Network Administrator, you'll...Full timeContract workWork experience placementImmediate startRemote workFlexible hours$10k
...the client/server/storage/network devices, etc. Provides Tier 2 (Escalation) and Tier 3... ...and performance. Security Clearance Due to federal contract... ...is required (e.g. Active TS/SCI security clearance with agency... ...Provide server administration with a variety of database...Contract workTemporary workSummer workImmediate start$150k - $165k
Overview System/Network Administrator Level 2 woodcons.com Location: Laurel Maryland... ...devices, etc. Provides Tier 2 (Escalation) and Tier 3 problem... ...and performance. Security Clearance Requirements: This... ...Citizens and possess an active TS/SCI Security Clearance with a...Full timeRemote workFlexible hoursShift work- ...Consulting Services, Inc. in Laurel, Maryland is seeking a System/Network Administrator Level 2 to support and maintain IT systems across client/server/... .... Candidates must be a U.S. citizen with an active TS/SCI with Polygraph and hold a technical bachelor's degree with...Full time
- ...Solutions in Laurel, Maryland is seeking a highly skilled IT systems administrator with TS/SCI clearance to support, troubleshoot, and maintain complex IT environments. The role covers server, storage, network, and virtualization management across Linux, UNIX, and Windows...
$80k - $120k
Location: Arlington, VA Job Type: Full-Time Clearance Requirement: TS/SCI Clearance Required Position Overview:Praescient Analytics is seeking a skilled Mid-Level Network Engineer to join our team in supporting the Department of War (DoW) Chief Digital and Artificial Intelligence...Full timeWork at office- Tetrad Digital Integrity (TDI) seeks an Oracle Database Administrator to join a high-impact program in Arlington, VA. This onsite role requires an active TS/SCI clearance and works five days per week in person. You will design, build, deliver, and support highly available...
$89.6k - $204k
System Administrator (Entry Level to SME) TS/SCI with Poly REQUIRED Position Description... ...organization's computer networks and systems. They are typically... ...and escalate them to Tier 2 or Tier 3 administrators... ...of US government security clearance held. Dependent upon role...For contractorsWork at officeLocal areaRelocation- ...Description ACTIVE DIRECTORY SYSTEMS ADMINISTRATOR YOUR IMPACT Own your... ...across multiple networks and client baselines ~ Perform Tier 2/3 directory service support,... ...requirements (e.g. Security+ CE, etc.) CLEARANCE: Active TS/SCI clearance with a favorable...
- Koniag Data Solutions in Arlington, VA is seeking a Systems Administrator with an active TS/SCI clearance for overnight support. The position requires hours of 11pm-7am, Sunday night through Friday mornings, and will support the government customer in Arlington, VA. Responsibilities...Night shiftDay shift
- ...Technology is looking to hire a Systems Administrator / Help Desk Engineer to support a... ...qualified candidate must have an active TS/SCI security clearance and will ensure the stability,... ...and collaborates with cybersecurity, network engineering, and software development...Flexible hoursDay shiftAfternoon shift
$77.6k - $176k
Booz Allen Hamilton in Washington, DC seeks a Senior System Administrator to lead enterprise-scale infrastructure and security for... ...systems. The role requires 8+ years of sys/admin experience, TS/SCI clearance, and a strong background in Windows/Linux, databases, and Java...$110k - $120k
Jr/Mid level RHEL Systems Administrator - TS/SCI clearance required Ft. Washington, MD We pride ourselves on an open, and honest culture in the workplace... ...and family goals with flexibility. We offer secure network systems and software engineering solutions in both the public...Hourly payTemporary workLocal area- Systems Administrator - (Active TS/SCI security clearance with a current polygraph ) College Park, United States | Posted on 08/20/2026 Fifteen (15) years of... ...) Experience with Ubuntu Familiar with System and Network security policies and able to implement policies Maintain...
- ...talented and skilled System Administrator to join our Cyber... ...the client/server/storage/network devices, mobile devices, etc. Provides Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification... ...Qualifications: An Active TS/SCI clearance with polygraph is required...
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