Windows Linux Systems Administrator - TS/SCI with Polygraph Jobs

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Systems AdministratorJob Title - Systems Administrator

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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McLean, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Storage Management, Unix, Windows Management Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Sr Systems Administrator with GDIT. A career in enterpr

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

LeidosCompany Name - Leidos

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Alexandria, Virginia, USA

Full-time

Description 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% c

Automated Test Framework Software Engineer TS/SCI PolyJob Title - Automated Test Framework Software Engineer TS/SCI Poly

LeidosCompany Name - Leidos

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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

Senior Systems AdministratorJob Title - Senior Systems Administrator

LeidosCompany Name - Leidos

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Laurel, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Systems Administrator 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

Systems Administrator (Linux)Job Title - Systems Administrator (Linux)

Thermo Fisher ScientificCompany Name - Thermo Fisher Scientific

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Morrisville, North Carolina, USA

Full-time

Work Schedule Standard (Mon-Fri) Environmental Conditions Able to lift 40 lbs. without assistance Job Description At Thermo Fisher Scientific, you'll discover meaningful work that makes a positive impact on a global scale. Join our colleagues in bringing our Mission to life - enabling our customers to make the world healthier, cleaner and safer. We provide our teams with the resources needed to achieve individual career goals while taking science a step beyond through research, development an

Senior Linux Systems Administrator - 10k Sign on BonusJob Title - Senior Linux Systems Administrator - 10k Sign on Bonus

LeidosCompany Name - Leidos

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Aurora, Colorado, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator 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 immed

Splunk System AdministratorJob Title - Splunk System Administrator

Medline Industries, LPCompany Name - Medline Industries, LP

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Northbrook, Illinois, USA

Full-time

Job Summary The Splunk System Administrator will manage, maintain and support an enterprise level Splunk Cloud installation. You will act as Splunk Subject Matter Expert (SME), configure and maintain Splunk, analyze performance data, and provide insights to improve monitoring of Medline applications. Job Description This is a Work-From-Home position. You will be required to be on site 1 day per month. As part of the Service Management Office, your primary goal is availability. In your role

Senior Linux Systems AdministratorJob Title - Senior Linux Systems Administrator

Cornerstone DefenseCompany Name - Cornerstone Defense

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No location provided

Full-time

Type: Contract Job #3699 Senior Linux Systems Administrator Aurora, CO Active TS/SCI with Poly Compensation Range: $125,000 - $145,000 Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use thei

Systems AdministratorJob Title - Systems Administrator

Kforce Technology StaffingCompany Name - Kforce Technology Staffing

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Orlando, Florida, USA

Full-time

RESPONSIBILITIES: Kforce has a client in Orlando, FL that is seeking a Systems Administrator. Summary: The Systems Administrator (Scheduler) plays a vital role in maintaining the stability and performance of an organization's IT infrastructure. The purpose of this position is to update, maintain, and monitor automated processes in CA Workload Automation. Employees in this position will be expected to analyze workflows and metrics and use scripting technologies to ensure optimal execution of wor

Systems AdministratorJob Title - Systems Administrator

LeidosCompany Name - Leidos

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Chantilly, Virginia, USA

Full-time

Leidos program has a dynamic opening for a System Administrator with multi-discipline experience to work at our customer site. This is an opportunity to use your expertise to support production of multimedia products in the planning, development, testing, certification, implementation, and maintenance of current and future Apple and Windows based multimedia systems, applications, and networks crossing multiple domains. Primary Responsibilities: Take initiative and exercise resourcefulness to i

Systems Engineer-ITJob Title - Systems Engineer-IT

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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King of Prussia, Pennsylvania, USA

Full-time

Job Description At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and every single day we use our skills and experiences to create, design and build solutions to some of the worlds' hardest engineering problems. Our culture encourages employees to dream big, perform with excellence and create incredible products. We provide the resources, inspiration and focus. If you have the passi

Network Architecture EngineerJob Title - Network Architecture Engineer

LeidosCompany Name - Leidos

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Bethesda, Maryland, USA

Full-time

Join Our Innovative Team at Leidos! Ready to break away from the ordinary and dive into an extraordinary career? At Leidos' High Fidelity Simulation Business Area, we're not just building systems-we're revolutionizing the future of naval simulation, training, and analysis for the US Navy. Imagine being part of a team where your work directly redefines naval capabilities. That's the Leidos experience. Position Overview Leidos is seeking a mid-level Network Architecture Engineer to support the

System Administrator / Windows and Linux / Consulting Experience RequiredJob Title - System Administrator / Windows and Linux / Consulting Experience Required

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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Windsor, Connecticut, USA

Full-time

This fast-growing managed service provider is looking for a System Administrator to join their highly technical team. This person will be hands on with both Linux and Windows configurations and act as a general jack-of-all-trades for IT infrastructure. This is a great opportunity to work with a great culture and broaden your existing technical skills! This is a full-time role that is flexible hybrid in the Middletown CT area, so only local candidates will be considered. ship is required. Ideal c

Network Architecture EngineerJob Title - Network Architecture Engineer

LeidosCompany Name - Leidos

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Bethesda, Maryland, USA

Full-time

Description Join Our Innovative Team at Leidos! Ready to break away from the ordinary and dive into an extraordinary career? At Leidos' High Fidelity Simulation Business Area, we're not just building systems-we're revolutionizing the future of naval simulation, training, and analysis for the US Navy. Imagine being part of a team where your work directly redefines naval capabilities. That's the Leidos experience. Position Overview Leidos is seeking a mid-level Network Architecture Engineer to

Systems AdministratorJob Title - Systems Administrator

ManTechCompany Name - ManTech

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Norfolk, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Systems Administrator to join our team onsite in Norfolk, Virginia. This is an onsite position. Responsibilities include but are not limited to: Provide Tier 3 technical remote and onsite support and guidance to NCTE Range end-users, addressing IT-related issues and inquiries in a timely and professional mannerDiagnose and resolve complex technical issues related to system configurations and network connectivity for Range POR systemsEnsure

Senior System Engineer (Government)Job Title - Senior System Engineer (Government)

AT and TCompany Name - AT and T

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Chantilly, Virginia, USA

Full-time

Job Description: This position requires office presence of a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered. 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

Senior Systems EngineerJob Title - Senior Systems Engineer

SAICCompany Name - SAIC

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Washington, District of Columbia, USA

Full-time

Job ID: 2506843 Location: WASHINGTON, DC, US Date Posted: 2025-06-18 Category: Information Technology Subcategory: IT Systems Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description SAIC is seeking a Senior Systems Engineer to support a critical U.S. government agency in the National Capital Region. This SME-level role is ideal for an experienced systems engi

Linux System & Network AdministratorJob Title - Linux System & Network Administrator

Psinapse TechnologyCompany Name - Psinapse Technology

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Concord, California, USA

Full-time

We are seeking a seasoned Linux System/Network Administrator with robust, hands-on experience managing and securing mixed Linux and Windows environments. The ideal candidate will possess a strong understanding of system security, infrastructure support, and IT service tools. Experience with Open Enterprise Server (OES) is a significant plus. This role requires someone with strong procedural documentation capabilities, a collaborative mindset, and technical expertise in network devices and IT pla

Systems AdministratorJob Title - Systems Administrator

Apex SystemsCompany Name - Apex Systems

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Fort Belvoir, Virginia, USA

Full-time

Job#: 2068763 Job Description: CANDIDATES MUST HOLD AN ACTIVE TS/SCI CI POLY AND BE ABLE TO WORK SHIFT WORK TO BE CONSIDERED FOR THE ROLE Systems Administrator Location: Ft. Belvoir, VA Clearance required: TS/SCI with ability to obtain a POLY Shift: See Below $70-$90 an hr/W2 At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innovator, and builder. Our amazing people are on a mission to make a difference in the world and every day we use our unique skills and experience

Cybersecurity EngineerJob Title - Cybersecurity Engineer

SAICCompany Name - SAIC

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Washington, District of Columbia, USA

Full-time

Job ID: 2508123 Location: WASHINGTON, DC, US Date Posted: 2025-08-01 Category: Cyber Subcategory: Cyber Engineer 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 Community, is seekin