linux / unix systems administrator Jobs in virginia

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Senior Web Application Developer

American Systems Corporation

•

Arlington, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities THIS POSITION INCLUDES A $5,000 SIGN-ON BONUS! As a Senior Web Application Developer with AMERICAN SYSTEMS you will have the opportunity to do the following: Modernize and maintain web apps for scalability and
Posted 21 days ago | Updated 9 hours ago

Platform/Infrastructure Engineer

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
Posted 34 days ago | Updated 9 hours ago

Sr. Systems Engineer

Leidos

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Fort Belvoir, Virginia, USA

Full-time

Description Leidos is seeking a Sr. Systems Engineer to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS program provides enterprise-wide IT support to enable DTRA's Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA's internal and external mission partners operating in CONUS and OCONUS locations. The Sr Systems Engineer will deploy new
Posted 60+ days ago | Updated 2 hours ago

Principal Site Reliability Engineer (Prisma Access)

PaloAlto Networks

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Reston, Virginia, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of
Posted 9 hours ago

Specialist, Integration/Test Engineer

Harris Corporation

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Herndon, Virginia, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie
Posted 60+ days ago | Updated 9 hours ago

IT Systems Engineer

Virginia Jobs

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Remote or Charlottesville, Virginia, USA

Full-time

Are you a solutions-driven IT professional with a passion for creating seamless, reliable, and innovative computing experiences? The University of Virginia's Information Technology Services (ITS) seeks an experienced systems administrator for a position in our Storage, Backup, and Archive team. Commensurate with the candidate's experience, the role will be filled at the respective level that best matches the candidate's qualifications. In this role, you will support, maintain, and automate a va
Posted 60+ days ago | Updated 9 hours ago

Network Engineer, Senior

BOOZ, ALLEN & HAMILTON, INC.

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Reston, Virginia, USA

Full-time

Network Engineer, Senior The Opportunity: Are you looking for an opportunity to share your experience in designing, developing, and implementing innovative network security solutions to support our country and protect our nation? As a systems security and network security engineer, you will be responsible for the enterprise deployment of the Gigamon Deep Observability Pipeline and GigaVUE Fabric Manager. We need your experience to oversee the development and implementation of Gigamon and network
Posted 4 days ago | Updated 1 hour ago

Automated Test Framework Software Engineer TS/SCI Poly

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
Posted 2 days ago | Updated 1 day ago

Cybersecurity Penetration Tester Senior - Remote

Moss Adams LLP

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Remote or Salt Lake City, Utah, USA

Full-time

At Moss Adams, we champion authenticity. For us, that means fostering a culture of talented people who care-about you, about our clients, and about our communities. Here, you'll work towards our mission of empowering others to embrace opportunity, growing as a leader along the way. Our firm's size, middle-market clients, customized career paths, and supportive culture make this a reality. Join a values-driven firm where you'll have fun while solving complex and interesting business challenges.
Posted 10 days ago | Updated 9 hours ago

Operational Technology (OT) Asset Visibility and Security Engineer

General Dynamics

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Falls Church, Virginia, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: MBI (T2) Job Family: Cyber Security Job Qualifications: Skills: Documentations, Software Development, Software Development Life Cycle (SDLC) Certifications: None Experience: 8 + years of related experience ship Required: No Job Description: Seize your opportunity to make a personal impact as an Operational Technology (OT) Asset Visibility an
Posted 9 hours ago

GIS Platform Engineer (TS/SCI)

Maxar Technologies Holdings Inc

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Herndon, Virginia, USA

Full-time

Please review the job details below. Join Us at the Intersection of Maps and Mission. We're looking for a Senior GIS Platform Engineer to architect, build, and maintain the geospatial backbone of a cutting-edge analytics platform. If you're passionate about scalable GIS data systems, love wrangling spatial data, and want to make a real-world impact-this is your role. Requires active TS/SCI. Must be open to CI Poly. Location: Herndon, VA or Westminster, CO. This is a full-time onsite position; h
Posted 4 days ago | Updated 9 hours ago

Privilege Access Management (PAM) Engineer

General Dynamics

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Falls Church, Virginia, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: MBI (T2) Job Family: Cyber Engineering Job Qualifications: Skills: Documentations, Software Development, Software Development Life Cycle (SDLC) Certifications: None Experience: 5 + years of related experience ship Required: No Job Description: Seize your opportunity to make a personal impact as a Privilege Access Management (PAM) Engineer su
Posted 9 hours ago

AWS Cloud Platform Engineer - Networking Focus

ALTA IT Services

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Reston, Virginia, USA

Full-time

Job Title: AWS Cloud Platform Engineer Location: Reston, VA Type: 6 + months Contract - good chance of extensions Contractor Work Model: Hybrid - minimum of onsite 1x monthly, possibly up to 1x weekly - candidates must be located in the DMV area Preferred Qualifications Seeking experienced and dynamic AWS Cloud Platform Engineer to provide hands-on technical expertise for supporting our AWS footprint, including Security and Guardrails. As an AWS Cloud Platform Engineer, you will be respons
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Posted 2 days ago | Updated 6 hours ago

DevOps Engineer

Penn State

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Remote or State College, Pennsylvania, USA

Full-time

APPLICATION INSTRUCTIONS: CURRENT PENN STATE EMPLOYEE (faculty, staff, technical service, or student), please login to Workday to complete the internal application process. Please do not apply here, apply internally through Workday.CURRENT PENN STATE STUDENT (not employed previously at the university) and seeking employment with Penn State, please login to Workday to complete the student application process. Please do not apply here, apply internally through Workday.If you are NOT a current empl
Posted 6 days ago | Updated 9 hours ago

Cloud Engineer

Booz Allen Hamilton

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Herndon, Virginia, USA

Full-time

Job Number: R0220735 Cloud Engineer The Opportunity: Everyone is trying to "harness the cloud," but not everyone knows how. As a cloud computing application architect, you know how to create a cloud-based technical architecture that meets client needs and takes advantage of cloud capabilities. We need you to help us develop cloud-based solutions for our clients' toughest problems. This is an opportunity to use the latest cloud technologies as you look for ways to improve your client's environmen
Posted 56 days ago | Updated 10 hours ago

Application Administrator Tech Lead

RTX Corporation

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Massachusetts, USA

Full-time

Date Posted: 2025-06-17 Country: United States of America Location: RMA99: RTN Remote, Massachusetts Position Role Type: Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or asylee status in the U.S. are consi
Posted 5 days ago | Updated 9 hours ago

Azure Cloud System Administrator

BlueHalo

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Maryland, USA

Full-time

At BlueHalo an AV company, we don't just witness the future of national security - we create it. We're on the search for a Azure Cloud System Administrator to embark on challenging, mission-critical projects near any one of our nationwide facilities, directly impacting the nation's security and intelligence mission. In our team of problem solvers, innovators, technologists, and operators, you'll be at the forefront of driving meaningful change and making an enduring impact. The Azure Cloud Syst
Posted 45 days ago | Updated 9 hours ago

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

Leidos

•

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
Posted 4 days ago | Updated 2 hours ago

Software Developer (Part-Time)

Parsons Services Company

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McLean, Virginia, USA

Part-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is looking for an amazingly talented Part-Time Software Developer to join ou
Posted 20 days ago | Updated 9 hours ago

Software Engineer / Systems Administration

Lockheed Martin Corporation

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Springfield, Virginia, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio
Posted 60+ days ago | Updated 9 hours ago