Linux Administrator Jobs in Washington, DC

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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 44 days ago | Updated 7 hours ago

Test Engineer SME

Leidos

•

Herndon, Virginia, USA

Full-time

Description Leidos has a new and exciting opportunity for a Test Engineer (SME) 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 immediat
Posted 15 days ago | Updated 4 hours ago

Software Engineer (Java, MASH, Linux)

Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

Software Engineer (Java, MASH, Linux) LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a talented and driven **Software Engineer (Java, MASH, Linux)** to join our team and contribute to the development of innovative, scalable software solutions. In this role, you will design, implement, and maintain Java-based applications, leverage MASH for middleware integration, and work within Linux environments t
Posted 60+ days ago | Updated 9 hours ago

Information Security Engineer

Zachary Piper Solutions, LLC

•

Columbia, Maryland, USA

Full-time

Piper Companies is seeking a dynamic Security Engineer for a hybrid (3 days onsite) to join a pioneering healthcare team located in Columbia, MD. Responsibilities of the Security Engineer: Perform security functions including IAM, vulnerability scanning, light pen testing, and daily review of security reports and systems. Generate internal threat intelligence and conduct threat hunting to enhance the security stack. Ensure adherence to information security policies and procedures and monit
Posted 34 days ago | Updated 26 days ago

Identity Access Management (IAM) Engineer- TS/SCI

General Dynamics Information Technology

•

Maryland, USA

Full-time

Type of Requisition: Pipeline 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 Engineering Job Qualifications: Skills: AWS Identity And Access Management (IAM), IAM, IAM Tools, Identity Access Management (IAM) Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: GDIT is your place. Make it your own by bringing your
Posted 31 days ago | Updated 20 hours ago

OCONUS Field Engineer - TS/SCI Polygraph Required

Leidos

•

Chantilly, Virginia, USA

Full-time

We are seeking mid to senior field engineers to join our international team in an exciting OCONUS location. The team is made-up of highly technical and motivated individuals. The engineer for this role will troubleshoot complex problems, as such, this individual must be an excellent problem solver and work well in a collaborative team environment. The ideal candidate will have prior experience as either a systems engineer or systems administrator. Prior OCONUS experience and IP networking knowle
Posted 60+ days ago | Updated 9 hours ago

Information Assurance System Security Engineer (ISSE) III

General Dynamics Information Technology

•

Manassas, 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: Information Security Job Qualifications: Skills: Information Assurance, Information Security, Information Systems Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as an Information Assurance System Secur
Posted 60+ days ago | Updated 20 hours ago

Information Assurance System Security Engineer (ISSE) III

General Dynamics Information Technology

•

Manassas, 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: Information Security Job Qualifications: Skills: Information Assurance, Information Security, Information Systems Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as an Information Assurance System Securi
Posted 60+ days ago | Updated 21 hours ago

System Operations/Administrator (Multiple Levels)

Noblis

•

Chantilly, Virginia, USA

Full-time

Responsibilities Noblis ESI is seeking a System Operations/Administrator with a background in managing and maintaining desktop computing environments to work with our clients in supporting our customer Mission Integration Directorate (MID). Job Responsibilities Install, configure, and maintain desktop systems, laptops, and peripheral devices. Provide technical support and troubleshooting assistance to end-users for hardware, software, and network-related issues. Monitor system performance and
Posted 44 days ago | Updated 18 days ago

DevOps Engineer (TS/SCI)

Maxar Technologies Holdings Inc

•

Herndon, Virginia, USA

Full-time

Please review the job details below. Maxar seeks a DevOps Engineer as a critical contributor in continually updating our cloud and on-prem infrastructure with the latest technology stacks, architectural best practices, and CI-strategies. Our team integrates several external components to create a platform for object detection and analysis in support of national security intelligence priorities. Note: ship and an active TS/SCI clearance is mandatory for this position and required for considerati
Posted 47 days ago | Updated 9 hours ago

Sterling B2Bi & AXWAY B2Bi

Diverse Lynx Llc

•

Remote

Full-time

Job Title: Sterling B2Bi & AXWAY B2Bi Location: Remote Job Type: Full Time Job Description Must Have Technical/Functional Skills This role is for a skilled Data Movement Engineer, preferably with extended experience with the IBM Sterling B2B Suite. The IBM Sterling Suite of products include, Sterling File Gateway, Sterling B2Bi, SSP, SEAS, Global Mailbox and PEM. Having experience with Cloud solutions is a must. Specifically experience with OpenShift and containerized solutions. Engineers with
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Posted 13 days ago

Splunk Architect

MAXISIQ, Inc.

•

Quantico, Virginia, USA

Full-time

At MAXISIQ, we've been at the forefront of Cyber RDT&E since 2006, uniting top talent in software, hardware, communications, and security. Our team leverages decades of hands-on operational experience to deliver real-world solutions that make a difference for critical missions and the communities they serve. When you join MAXISIQ, you become part of a collaborative environment where innovation thrives. You'll have the opportunity to develop smarter technologies, create impactful services, and d
Posted 26 days ago | Updated 11 hours ago

DevOps Systems Administrator, II

Parsons Services Company

•

Quantico, Virginia, USA

Full-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: As a DevOps Systems Administration Engineer at Parsons, your goal will be to ensure
Posted 15 days ago | Updated 9 hours ago

SOAR Engineer

Booz Allen Hamilton

•

Arlington, Virginia, USA

Full-time

Job Number: R0220125 SOAR Engineer Key Role: Display a strong background in security operations, threat detection, and security engineering. Be responsible for key contributions in developing Threat Defense Solutions, focusing on detection, automation, and development of artifi cia l intelligence ( AI ) capabilities which enable the SOC to achieve measurable growth and maturity. Work with in-house teams to identify the right mix of tools, techniques, and procedures to translate your customer's
Posted 52 days ago | Updated 10 hours ago

Sr. DevOps Engineer

SilverEdge

•

Reston, Virginia, USA

Full-time

Overview SilverEdge is a premier provider of innovative cyber, software, and intelligence solutions, addressing mission-critical challenges for the Department of Defense (DoD), Intelligence Community (IC), and beyond. We are dedicated to delivering impactful results to meet mission goals through cutting-edge technology and expertise. We are seeking a Sr. DevOps Engineer to join our dynamic team. This individual will play a pivotal role in developing innovative and effective solutions for our Do
Posted 60+ days ago | Updated 9 hours ago

Mid System Administrator

Parsons Services Company

•

Quantico, Virginia, USA

Full-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 Mid System Administrator to join our te
Posted 53 days ago | Updated 9 hours ago

Information Assurance System Security Engineer (ISSE) III

General Dynamics

•

Manassas, 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: Information Security Job Qualifications: Skills: Information Assurance, Information Security, Information Systems Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as an Information Assurance System Securi
Posted 60+ days ago | Updated 9 hours ago

Information Security Engineer

Zachary Piper Solutions, LLC

•

Columbia, Maryland, USA

Full-time

Piper Companies is seeking a dynamic Security Engineer for a hybrid (3 days onsite) role located in Columbia, MD. You will be responsible for safeguarding the Software Development Life Cycle (SDLC), as well as implementing and maintaining information security controls and countermeasures to ensure robust protection for a pioneering healthcare team. Requirements of the Security Engineer: Perform security functions including IAM, vulnerability scanning, light pen testing, and daily review of sec
Posted 30 days ago | Updated 26 days ago

Site Reliability Engineer II - Real-Time

Esri

•

Vienna, Virginia, USA

Full-time

Overview Join us to work collaboratively with our talented team of dynamic and passionate engineers to deliver capabilities that enable our customers to make a difference. You'll deploy and operate ArcGIS Velocity and ArcGIS Workflow Manager SaaS solutions. You will also have the opportunity to design, deploy, and operate next-generation real-time and big data GIS software-as-a-service (SaaS) capabilities for thousands of cloud users worldwide. Our teams have a broad mix of experience levels a
Posted 26 days ago | Updated 9 hours ago

Software Engineer (Java, AWS, Linux)

Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

Software Engineer (Java, AWS, Linux) LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly skilled and versatile **Software Engineer (Java, AWS, Linux)** to join our dynamic team and contribute to the development of innovative software solutions. In this role, you will design, build, and maintain applications using Java, leverage AWS cloud services for scalability and reliability, and work within Linu
Posted 60+ days ago | Updated 9 hours ago