Windows Linux Systems Administrator - TS/SCI with Polygraph Jobs

281 - 300 of 7,055 Jobs

Senior System AdministratorJob Title - Senior System Administrator

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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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

INFORMATION SECURITY LEAD ARCHITECT, Information SecurityJob Title - INFORMATION SECURITY LEAD ARCHITECT, Information Security

Boston UniversityCompany Name - Boston University

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Boston, Massachusetts, USA

Full-time

Job Description Boston University Information Services & Technology (IS&T) is seeking applicants with diverse skills and experiences to join our innovative and inclusive community. You will join as an Information Security Lead Architect where you will lead our efforts to advance Boston University's technological ecosystem by designing, implementing, and evolving security architectures that protect and enable our institutional capabilities. As part of the IS&T Information Security team, you will

LINUX Sr Principal Systems Engineer - Active Top Secret RequiredJob Title - LINUX Sr Principal Systems Engineer - Active Top Secret Required

General DynamicsCompany Name - General Dynamics

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Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Computer Engineering, Linux, Red Hat Enterprise Linux (RHEL) Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Job Description Senior Principal Systems Engineer - Linux Design, deploy, integrate and maintain Li

Software Developer | Market Data | Libraries & Tools - New GradJob Title - Software Developer | Market Data | Libraries & Tools - New Grad

Susquehanna International GroupCompany Name - Susquehanna International Group

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Pennsylvania, USA

Full-time

Overview Susquehanna is a global proprietary trading firm founded with a growth mindset and a rigorous analytical approach to decision making. We bring together the brightest minds, the best technology, and an expansive library of data to design and implement proprietary trading strategies that make us leaders in the financial markets. Our ability to think together (but not always alike) propels our success. Technology is at the core of our winning strategy. As a developer on the Libraries and T

Systems Admin - Senior - PlacementJob Title - Systems Admin - Senior - Placement

Apex SystemsCompany Name - 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

Systems Support TechnicianJob Title - Systems Support Technician

TEKsystemsCompany Name - TEKsystems

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Remote or Allentown, Pennsylvania, USA

Full-time

Description This large Utility Fortune 500 company is looking to add another person to their fusion Center. The Fusion center supports all infrastructure used by the utility. This includes working with the internal and external employees to trouble shoot any and all network related issues. This includes root cause analysis of connectivity issues, remote access issues and hardware issues. Experience working within a NOC is very helpful. Some of the technologies that are needed include MS, redhat,

Systems Support TechnicianJob Title - Systems Support Technician

TEKsystems c/o Allegis GroupCompany Name - TEKsystems c/o Allegis Group

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Allentown, Pennsylvania, USA

Full-time

Senior Malware Reverse EngineerJob Title - Senior Malware Reverse Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Maryland, USA

Full-time

Job Number: R0224250 Malware Reverse Engineer, Senior The Opportunity: As a Malware Analyst, you know that identification, evaluation, and documentation of malware play key roles in the CNO life cycle. We're looking for someone like you to flex your problem-solving prowess in a rapidly evolving systems security research and trend identification of malicious sof tware targeting our nation's most critical networks. You'll evaluate and analyze complex malicious code using tools, including disa ss

Senior Network Security EngineerJob Title - Senior Network Security Engineer

LeidosCompany Name - Leidos

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Maryland, USA

Full-time

Description Unleash Your Potential! At Leidos, we deliver innovative solutions by leveraging our diverse and talented workforce who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like an environment where you can thrive, keep reading! Do

Senior Network Security EngineerJob Title - Senior Network Security Engineer

LeidosCompany Name - Leidos

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Annapolis, Maryland, USA

Full-time

Unleash Your Potential! At Leidos, we deliver innovative solutions by leveraging our diverse and talented workforce who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like an environment where you can thrive, keep reading! Do you thrive

Satellite Systems EngineerJob Title - Satellite Systems Engineer

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Colorado Springs, Colorado, USA

Full-time

Job Description As we enter a new era of Strategic Weapon Systems, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing men and women are on a mission to make a difference in the world and every single day we use our unique skills, talents and experiences to design and build solutions to some of the world's hardest engineering problems. Do you want to be part of a culture that inspires employees to envision the impossible, perform with excellence and build incredible produc

Mobile Device System AdministratorJob Title - Mobile Device System Administrator

NuAxis LLCCompany Name - NuAxis LLC

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Washington, District of Columbia, USA

Full-time

We are a federal IT company on a mission to make customer experience (CX) the center of every government solution. Technology is our Passion. People are our Purpose. We know tech, but we love people. NuAxis is home to thinkers and feelers, engineers and artists. We work hard and support each other along the way. Teamwork is more than just a buzzword for us; it's a state of mind. We believe happy employees do amazing work, so join our team NOW! We are currently seeking a talented and motivated M

Full Stack DeveloperJob Title - Full Stack Developer

NightwingCompany Name - Nightwing

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Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Senior Solutions Architect (Automotive Background) Full time / OnsiteJob Title - Senior Solutions Architect (Automotive Background) Full time / Onsite

American IT SystemsCompany Name - American IT Systems

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Greensboro, North Carolina, USA

Full-time

Job Title: Solution Architect Senior Location: Greensboro, NC Onsite/ Remote: Day 1 Onsite at customer location Job Description : Solution Architect_Senior Responsible for designing solutions for digital products taking into account best practices, technologies, performance, stability, scalability, and security 5+ years of systems/software design experience. 5+ years programming experience with C#, .Net, .Net Core, and Python. 3+ years SQL programming experience. 3+ years delivering solutions

System Administrator Cross-PlatformJob Title - System Administrator Cross-Platform

RTX CorporationCompany Name - RTX Corporation

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El Segundo, California, USA

Full-time

Date Posted: 2025-07-14 Country: United States of America Location: CA222: 2006 E El Segundo Blvd BldgE04 2006 East El Segundo Boulevard Building E04, El Segundo, CA, 90245 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calli

Staff Software Engineer - Desktop PlatformJob Title - Staff Software Engineer - Desktop Platform

Discord Inc.Company Name - Discord Inc.

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San Francisco, California, USA

Full-time

Discord is used by over 200 million people every month for many different reasons, but there's one thing that nearly everyone does on our platform: play video games. Over 90% of our users play games, spending a combined 1.5 billion hours playing thousands of unique titles on Discord each month. Discord plays a uniquely important role in the future of gaming. We are focused on making it easier and more fun for people to talk and hang out before, during, and after playing games. We're looking for

Software DeveloperJob Title - Software Developer

NetwovenCompany Name - Netwoven

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Austin, Texas, USA

Contract

The Role: Bring our leading-edge SoCs to life in a virtual environment!As an early consumer of next-generation designs, help create and maintain high-performance C++ functional models that enable development of firmware, system, driver, and application software. our Enterprise team is currently looking for engineers who are passionate about Server products and would like to be part of our EPYC journey to greatly impact the x86 server market. You will be a team player on a highly capable and supp

Network EngineerJob Title - Network Engineer

LeidosCompany Name - Leidos

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Ashburn, Virginia, USA

Full-time

Department of Homeland Security (DHS), Customs and Border Protection (CBP) Security Operations Center (SOC) is a US Government program responsible to prevent, identify, contain and eradicate cyber threats to CBP networks through monitoring, intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN), commercial Internet connection, public facing websites, wireless, mobile/cellular, various cloud environments, security

Site Reliability EngineerJob Title - Site Reliability Engineer

UBS AG - Investment BankingCompany Name - UBS AG - Investment Banking

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Nashville, Tennessee, USA

Full-time

Your role Are you an analytic thinker? Do you enjoy identifying areas of improvement and engineering better solutions? At UBS, we re-imagine the way we work, the way we connect with each other - our colleagues, clients and partners - and the way we deliver value. We're looking for a Site Reliability Engineer to: spend 50% of time on tickets and 50% on improvements that deliver engineering solutions that improve instrumentation, ease of deployment, service orchestration and other aspects of prod

Junior Systems EngineerJob Title - Junior Systems Engineer

TEKsystems c/o Allegis GroupCompany Name - TEKsystems c/o Allegis Group

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Fort Walton Beach, Florida, USA

Full-time

Top Skills' Details VMware platforms (vSphere, vCenter, or Horizon) Experience writing or running PowerShell, Linux shell, or Python scripts Windows Server and Linux-based systems (Ubuntu, CentOS, or RHEL) Active Directory, DNS, and basic networking concepts Must have an active Security Clearance and CompTIA Security+ Description TEKsystems is seeking a highly motivated Junior Systems Engineer with foundational experience in systems administration, virtualization, and automation tools. The engin