Windows Linux Systems Administrator - TS/SCI with Polygraph Jobs in Baltimore, MD

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Modernization Cyber Systems Administrator - SA2

Lockheed Martin Corporation

•

Maryland, USA

Full-time

Job Description The Work: We are seeking professionals interested in Systems Administration. Here, you are going to provide life-cycle services to advance mission in support of Cybersecurity and SIGINT midpoint collection. You will modernize and sustain capabilities to include providing new features and enhancements to Front End Solutions systems. This will allow for products to work at-scale with processing of target communications across multiple types of Midpoint accesses. You will propel t
Posted 53 days ago | Updated 7 hours ago

System Administrator I

General Dynamics Information Technology

•

Maryland, USA

Full-time

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: Systems Administration Job Qualifications: Skills: Communication, Information Technology (IT), Network Components, Operating Systems (OS), Troubleshooting Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: Provides support for implem
Posted 13 hours ago

System Administrator Level IV

General Dynamics

•

Laurel, Maryland, USA

Part-time

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: Systems Administration Job Qualifications: Skills: Active Directory (AD), Operating Systems (OS), OS Configuration, PC Installation Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: System Administrator Level IV Description: Manag
Posted 53 days ago | Updated 7 hours ago

System Administrator Level IV

General Dynamics Information Technology

•

Laurel, Maryland, USA

Full-time

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: Systems Administration Job Qualifications: Skills: Active Directory (AD), Operating Systems (OS), OS Configuration, PC Installation Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: System Administrator Level IV Description: Manag
Posted 55 days ago | Updated 17 hours ago

Systems Admin - Senior - Placement

Apex Systems

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Odenton, Maryland, USA

Full-time

Job#: 2081128 Job Description: - Sr. Active Directory / VDI System Administrator - ** $130,000 - $135,000 **(Ft. Meade, MD) Apex Systems has an Immediate Need for a Sr. VDI / Active Directory System Administrator at Ft. Meade in Maryland !! This will be an "est. 6 Month Contract to Permanent Hire" opportunity, supporting one of our Largest DoD / Government Clients on the East Coast & Nationwide! Please See Below for all Position Details & How To Apply. HOW TO APPLY Email a Resume to: - Job
Easy Apply
Posted 27 days ago | Updated 6 hours ago

Senior System Administrator

Booz Allen Hamilton

•

Catonsville, Maryland, USA

Full-time

Job Number: R0222587 System Administrator, Senior The Opportunity: Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting our client? As a System Administrator on our project, you'll support the operation, maintenance, and design of information technology resources within a laboratory for High Performance Computing ( HPC ) technology and data analytic
Posted 14 days ago | Updated 8 hours ago

Senior Network Engineer - TS/SCI w/Poly

Jacobs

•

Annapolis, Maryland, USA

Full-time

Your Impact: Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a Senior Network Engineer to join our team of passionate individuals in Annapolis Junction, MD. In this role you will support challenging, mission-critical projects that make a direct impact on the Nation's security and intelligence mission. As the lead of technical efforts across organizations, you will manage the overall operational health of a cus
Posted 7 days ago | Updated 7 hours ago

Sr. Software Engineer-Automated Test Framework TS/SCI Poly

Leidos

•

Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for an Automated Test Framework Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match
Posted 60+ days ago | Updated 7 hours ago

Platform Engineer

SAIC

•

Fort Meade, Maryland, USA

Full-time

Job ID: 2506165 Location: FORT MEADE, MD, US Date Posted: 2025-05-29 Category: Information Technology Subcategory: Platform Engr Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC, a leading provider of systems engineering & integration, systems development & deployment, intelligence analysis and targeting, and training solutions for the Intelligence Comm
Posted 60+ days ago | Updated 5 hours ago

System Administrator, Senior

SilverEdge

•

Maryland, USA

Full-time

Overview SilverEdge is seeking a Senior System Administrator to serve for a closed restricted network and support other DoD guest systems at various classification level. Tasks include performing installation, troubleshooting and other administrative tasks associated with ongoing maintenance and enhancement of information systems and services. Performs systems planning, management, analysis, integration, installation and training tasks that include all aspects of preparing and implementing a hi
Posted 60+ days ago | Updated 7 hours ago

System Administrator I

General Dynamics Information Technology

•

Maryland, USA

Full-time

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: Systems Administration Job Qualifications: Skills: Information Technology (IT), Information Technology (IT) Systems, Operating Systems (OS), Problem Resolution, Troubleshooting Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: Syste
Posted 35 days ago | Updated 17 hours ago

IPAM Network Administrator

ALTA IT Services

•

Baltimore, Maryland, USA

Full-time

IPAM NETWORK ADMINISTRATOR CONTRACT TO HIRE WOODLAWN, MD $65/HR. BENEFITS AVAILABLE HYBRID 3 DAYS A WEEK -WOODLAWN, MD SHIP OR LEGAL PERMANENT RESIDENCY REQUIRED IPAM NETWORK ADMINISTRATOR ALTA IT Services is seeking an IPAM Network Administrator to manage all aspects of our client's IP Address Management (IPAM) environment. The role is responsible for driving meaningful and technologically advanced changes to the customer's environment. Dynamic and agile individuals will flourish in this rol
Easy Apply
Posted 7 days ago | Updated 5 hours ago

System Administrator 1

Realm One

•

Annapolis, Maryland, USA

Full-time

RealmOne is the GOAT - where your career can reach the greatest heights! RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join u
Posted 15 days ago | Updated 7 hours ago

Senior DevOps Engineer

Leidos

•

Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for a Senior DevOps Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and imme
Posted 15 days ago | Updated 17 hours ago

Senior DevOps Engineer

Leidos

•

Columbia, Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for a DevOps Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate v
Posted 15 days ago | Updated 17 hours ago

System Administrator (SA1) (Government)

AT&T Inc.

•

Columbia, Maryland, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. MAROONMIDNIGHTS (MMN) Provide IT support and solutions developed for National Cryptologic University classified training
Posted 44 days ago | Updated 7 hours ago

DevOps Engineer II

Leidos

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Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a DevOps Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexi
Posted 20 days ago | Updated 7 hours ago

Senior DevOps Engineer

Leidos

•

Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a DevOps Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexi
Posted 21 days ago | Updated 7 hours ago

System Administrator (SA2) with Poly

Lockheed Martin Corporation

•

Annapolis, Maryland, USA

Full-time

Job Description THE WORK This role involves comprehensive technical planning and execution across the full system lifecycle, including system integration, verification and validation, cost and risk analysis, and sustainment. Proficiency or exposure to Linux is a plus as many systems rely on Linux-based environments for development, deployment, and operational support. WHO WE ARE At Lockheed Martin, we're a leading aerospace and defense company that's shaping the future of cyber and intelligen
Posted 12 days ago | Updated 7 hours ago

System Administrator Level 3

General Dynamics Information Technology

•

Maryland, USA

Full-time

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: Systems Administration Job Qualifications: Skills: Linux, ServiceNow Platform, Unix Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: Provides support for implementation, troubleshooting and maintenance of information Technology (
Posted 14 days ago | Updated 17 hours ago