Security engineering Jobs in District of Columbia

21 - 40 of 891 Jobs

Cybersecurity Engineer (IASE/ISSE)Job Title - Cybersecurity Engineer (IASE/ISSE)

LeidosCompany Name - Leidos

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Suitland-Silver Hill, Maryland, USA

Full-time

Join Our Elite Team as a Cybersecurity Engineer (IASE/ISSE) Location: Suitland, MD (National Maritime Intelligence Center) Security Clearance: Active DoD Top Secret/SCI (TS/SCI) security clearance Leidos is seeking a dynamic Security Engineer to work onsite at the National Maritime Intelligence Center. This role offers the chance to make a significant impact on national security while advancing your career. Why Join Us: Expert Role: Be recognized as a subject matter expert in Cybersecurity a

System EngineerJob Title - System Engineer

LeidosCompany Name - Leidos

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Fort Belvoir, Virginia, USA

Full-time

Description Take Command of National Defense-Join Leidos as a Systems Engineer! Are you ready to step into a role where cutting-edge technology meets national security? Leidos is seeking a high-caliber Systems Engineer to fortify the Missile Defense Agency's (MDA) Special Access Program Central Office (SAPCO) at Ft. Belvoir, VA, Dahlgren, VA, or Redstone Arsenal, AL. This is more than a position-it's your opportunity to redefine security strategies, innovate defense solutions, and drive mission

Data AnalystJob Title - Data Analyst

LeidosCompany Name - Leidos

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McLean, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a Data Analyst in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA) located in McLean, VA. 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

IT Problem ManagerJob Title - IT Problem Manager

LeidosCompany Name - Leidos

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Suitland-Silver Hill, Maryland, USA

Full-time

Job DescriptionDescription Looking for an opportunity to make an impact? Leidos is a FORTUNE 500 company bringing a mix of innovative technology and sector expertise to customers in the national security, engineering, and the health industries. At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a com

Data ScientistJob Title - Data Scientist

LeidosCompany Name - Leidos

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McLean, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a Data Scientist in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA) located in McLean, VA. 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 imm

IT Problem ManagerJob Title - IT Problem Manager

LeidosCompany Name - Leidos

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Camp Springs, Maryland, USA

Full-time

Looking for an opportunity to make an impact? Leidos is a FORTUNE 500 company bringing a mix of innovative technology and sector expertise to customers in the national security, engineering, and the health industries. At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right th

Senior Information System Security Officer - Top Secret with SCI REQUIRED - On Site OnlyJob Title - Senior Information System Security Officer - Top Secret with SCI REQUIRED - On Site Only

Akima, LLCCompany Name - Akima, LLC

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Alexandria, Virginia, USA

Full-time

ADM is looking for a Principal Information Assurance Subject Matter Expert - RMF Admin to work in Alexandria, VA. To join our team of outstanding professionals, apply today! Responsibilities Collaborate with security architects and engineers to design, implement, and maintain secure system architectures.Conduct risk assessments and provide guidance on security control selection and implementation based on NIST guidelines.Work with stakeholders to integrate security engineering best practices i

Computer Systems EngineerJob Title - Computer Systems Engineer

LeidosCompany Name - Leidos

•

Fort Belvoir, Virginia, USA

Full-time

Job DescriptionDescription Take Command of National Defense Join Leidos as a Systems Engineer! Are you ready to step into a role where cutting-edge technology meets national security? Leidos is seeking a high-caliber Systems Engineer to fortify the Missile Defense Agency s (MDA) Special Access Program Central Office (SAPCO) at Ft. Belvoir, VA, Dahlgren, VA, or Redstone Arsenal, AL. This is more than a position it s your opportunity to redefine security strategies, innovate defense solutions, and

Junior Systems EngineerJob Title - Junior Systems Engineer

LeidosCompany Name - Leidos

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Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for a Junior Systems 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 and imme

Principal Systems EngineerJob Title - Principal Systems Engineer

LeidosCompany Name - Leidos

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Fort Meade, Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for a Principal System 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 and i

Senior Detection and Response EngineerJob Title - Senior Detection and Response Engineer

Costar GroupCompany Name - Costar Group

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Arlington, Virginia, USA

Full-time

Senior Detection and Response Engineer Job Description Overview CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world of real estat

IT Networking and HW AdministratorJob Title - IT Networking and HW Administrator

LeidosCompany Name - Leidos

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Lorton, Virginia, USA

Full-time

Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people 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. The Leidos National Security Sector combines technology-enabled services and mission software capabilities in the area

Engineering Manager, Cloud Architecture Tooling and Security (CATS)Job Title - Engineering Manager, Cloud Architecture Tooling and Security (CATS)

Netflix, Inc.Company Name - Netflix, Inc.

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Remote

Full-time

Netflix is one of the world's leading entertainment services, with over 300 million paid memberships in over 190 countries enjoying TV series, films and games across a wide variety of genres and languages. Members can play, pause and resume watching as much as they want, anytime, anywhere, and can change their plans at any time. Netflix operates our streaming service control plane on Amazon Web Services, which has led to one of the largest and most sophisticated AWS environments in the world. C

Cybersecurity Strategy, Risk, and Resilience Security Strategy Solutions ArchitectJob Title - Cybersecurity Strategy, Risk, and Resilience Security Strategy Solutions Architect

TikTokCompany Name - TikTok

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Washington, District of Columbia, USA

Full-time

Location : Washington D.C. Employment Type : Regular Job Code : A79489B Apply to this job Share this listing: Responsibilities The mission of TikTok's Global Security Organization is to build and earn trust by reducing risk and securing our businesses and products. Also known as "GSO", this team is the foundation of our efforts to keep TikTok safe, secure, and operating at scale for over 1 billion people around the world. We work to ensure that the TikTok platform is safe and secure, that

Principal Kubernetes Software EngineerJob Title - Principal Kubernetes Software Engineer

LeidosCompany Name - Leidos

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Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Principal Kubernetes 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 and

Air Force Element Technical SupportJob Title - Air Force Element Technical Support

LeidosCompany Name - Leidos

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Camp Springs, Maryland, USA

Full-time

Network Security EngineerJob Title - Network Security Engineer

Accenture LLPCompany Name - Accenture LLP

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Washington, District of Columbia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative

Principal Systems EngineerJob Title - Principal Systems Engineer

LeidosCompany Name - Leidos

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Fort Meade, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Principal System 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 and immediate ves

Cloud Security Technical Project ManagerJob Title - Cloud Security Technical Project Manager

SAICCompany Name - SAIC

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Chantilly, Virginia, USA

Full-time

Job ID: 2506833 Location: CHANTILLY, VA, US Date Posted: 2025-07-01 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is a premier Fortune 500 mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings acr

Information Systems Security Officer - Clearance RequiredJob Title - Information Systems Security Officer - Clearance Required

Lockheed MartinCompany Name - Lockheed Martin

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Fort Meade, Maryland, USA

Full-time

Job ID: 687607BR Date posted: May. 28, 2025 Description:What We're Doing: Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you'll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The unint