Unix Jobs in District of Columbia

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Information System Security Officer - Senior

Jacobs

Washington, District of Columbia, USA

Full-time

As a Top Secret cleared Information Systems Security Officer you will be working in an organization that's mission is to develop and operate the best possible software for critical national security enterprise applications. This organization leverages SCRUM and SAFE Agile software development methodology and strong Dev Ops practices. You will be responsible for technical information assurance engineering efforts with network/server scanning, patching, mitigation, and compliance cross-checking o

Systems Administrator

Base-2 Solutions, LLC

Annapolis, Maryland, USA

Full-time

Job Description Base-2 Solutions is seeking a Systems Administrator 3 who provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Provides Tier 1 (Help Desk) and Tier 2 (Escalation) problem identi

ServiceNow Configuration Manager

SAIC

Springfield, Virginia, USA

Full-time

Job ID: 2506326 Location: SPRINGFIELD, VA, US Date Posted: 2025-06-03 Category: Information Technology Subcategory: Bus Proc Analyst Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: Yes Description SAIC has an opening for a Configuration Manager. Make an impact on both business and technology operations while delivering ServiceNow features as our global federal customer expands plat

Systems Administrator

BlueHalo

Annapolis, Maryland, USA

Full-time

At BlueHalo, an AV Company, our Cyber experts operate at the mission's edge. Using advanced cyber techniques, our team of technologist and analysts employ capabilities spanning traditional computing environments to Internet of Things (IoT), including offensive and defensive cyber operations and analysis, signals intelligence (SIGINT) discovery, and data science. Our team is expanding to do the big things that have never been done before - the things the nation and the world are counting on us to

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 imple

Senior Cyber Intel Analyst / Hybrid / Rockville, MD

Lockheed Martin Corporation

Remote or Rockville, Maryland, USA

Full-time

Job Description Lockheed Martin's Cyber Intel Analyst Senior will work within a globally dispersed team of intelligence analysts with the mission of defending the enterprise's computing assets. Lockheed Martin is a global aerospace, defense, security, and advanced technologies company with global interests. As the world's largest defense contractor, Lockheed Martin's computing environment stretches to every continent and houses cutting edge intellectual property. This role will be an integral p

Information System Security Engineer (ISSE)

Parsons Services Company

Chantilly, 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 a sharp and talented Information Systems Security Engineer (I

Systems Administrator Senior - TS/SCI required

General Dynamics

Fort Meade, Maryland, 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: Computing, IT Hardware, System Administration Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Systems Administrator Senior - TS/SCI required Transform technology into opportunity as a Syste

SDET - Associate

Fannie Mae

Remote or Reston, Virginia, USA

Full-time

At Fannie Mae, the inspiring work we do helps make a home a possibility for millions of homeowners and renters. Every day offers compelling opportunities to impact the future of the housing industry while being part of a collaborative team thriving in an energizing environment. Here, you will grow your career and help create access toaffordable housing finance. Job Description As a valued colleague on our team, you will enhance and/or refine existing applications and systems to meet new techni

System Administrator 2

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

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

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

Systems Engineer, TS/SCI with Polygraph

General Dynamics Information Technology

McLean, Virginia, 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 Engineering Job Qualifications: Skills: IBM MVS, Linux, Microsoft Windows, Unix Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Deliver simple solutions to complex problems as a Systems Engineer at GDIT. Here, you'll tail

Senior Linux Systems Administrator - 10k Sign on Bonus

Leidos

Annapolis, Maryland, 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

System Administrator II

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 Systems, Operating Systems (OS), System Security, Systems Software Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: #ITPolyMD Provide support for imple

Systems Engineer, TS/SCI with Polygraph

General Dynamics Information Technology

McLean, Virginia, 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 Engineering Job Qualifications: Skills: IBM MVS, Linux, Microsoft Windows, Unix Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Deliver simple solutions to complex problems as a Systems Engineer at GDIT. Here, you'll tailo

Field Application Engineer, Viasat Government

Viasat, Inc.

Germantown, Maryland, USA

Full-time

About us One team. Global challenges. Infinite opportunities. At Viasat, we're on a mission to deliver connections with the capacity to change the world. For more than 35 years, Viasat has helped shape how consumers, businesses, governments and militaries around the globe communicate. We're looking for people who think big, act fearlessly, and create an inclusive environment that drives positive impact to join our team. What you'll do As a Field Applications Engineer you will provide customer,

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

System Administrator II

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 Systems, Operating Systems (OS), System Security, Systems Software Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: #ITPolyMD Provide support for implemen

Systems Administrator Intermediate - TS/SCI required

General Dynamics

Fort Belvoir, 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: Computer Servers, Information Technology (IT) Systems, Systems Management Certifications: None Experience: 7 + years of related experience ship Required: No Job Description: Systems Administrator Intermediate - TS/SCI required Transform techno