security engineer Jobs in district of columbia

21 - 40 of 714 Jobs

Senior Information System Security EngineerJob Title - Senior Information System Security Engineer

Electronic Consulting Services, Inc (ECS Federal)Company Name - Electronic Consulting Services, Inc (ECS Federal)

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Washington, District of Columbia, USA

Full-time

Job Description ECS is seeking a Senior Information System Security Engineer to work in our Washington, DC office. An Information Systems Security Engineer (ISSE) is responsible for designing, implementing, and maintaining security measures to protect an organization's information systems and data assets from cybersecurity threats and vulnerabilities. Work closely with IT teams, management, and other stakeholders to ensure the confidentiality, integrity, and availability of sensitive informati

Lead Security EngineerJob Title - Lead Security Engineer

Apex SystemsCompany Name - Apex Systems

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Washington, District of Columbia, USA

Full-time

Job#: 2077304 Job Description: Apex Systems is seeking a Lead Security Engineer to support the Department of Transportation in Washington DC. If interested, email your resume. Position: Lead Security Engineer Location: 1200 New Jersey Ave SE Washington DC USA 20590 3x onsite, 2x remote Hours: Regular business hours Compensation: $120k-$128k Job Type: Contract to hire Clearance: Must obtain DOT public trust clearance The Lead Security Engineer will assist the Department of Transportation's Cybers

Lead Security EngineerJob Title - Lead Security Engineer

Eliassen GroupCompany Name - Eliassen Group

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Washington, District of Columbia, USA

Contract

Description: We are looking for a Lead Security Engineer to support a F500 client in the Washington, DC metro area. Location: Washington, DC Pay Rate: $55-$65/hr. W2 This is a contract-to-hire opportunity. Applicants must be willing and able to work on a W2 basis and convert to FTE following contract duration. For our W2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance. Responsibilities: Key Techni

Trellix Endpoint Security EngineerJob Title - Trellix Endpoint Security Engineer

LeidosCompany Name - Leidos

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Alexandria, Virginia, USA

Full-time

Leidos has a current job opportunity for an Endpoint Security Solutions (ESS) Engineer on the DISA GSM-O program in Alexandria, VA. An active Secret security clearance and solid experience in Trellix are required. This position provides support to the ESS Lead in operating and maintaining Trellix software and clients for organizations supported by the J6. Activities that this position performs include performing systems analysis, modifying / updating systems based on results of analysis, deploy

Tenable Security EngineerJob Title - Tenable Security Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Washington, District of Columbia, USA

Full-time

Job Number: R0221395 Tenable Security Engineer Key Role: Join the Security Operations Center (SOC) team as a Tenable Security Engineer. I mplement and optimize enterprise vulnerability management solutions using Tenable.sc, Nessus, and other components of the Tenable ecosystem. I ntegrate Tenable with other enterprise security platforms and ensure that the vulnerability management program supports continuous monitoring, compliance, and risk reduction objectives . D eploy, configure, and optimize

Senior Systems Security EngineerJob Title - Senior Systems Security Engineer

SAICCompany Name - SAIC

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Alexandria, Virginia, USA

Full-time

Job ID: 2507174 Location: ALEXANDRIA, VA, US Date Posted: 2025-07-01 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is hiring a Senior Systems Security Engineer with an active TS/SCI clearance to participate in Independent Technical Risk Assessments (ITRA) and Program Protection Plan () reviews to

Senior Network Security EngineerJob Title - Senior Network Security Engineer

Costar GroupCompany Name - Costar Group

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Arlington, Virginia, USA

Full-time

Senior Network Security 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 estate infor

Network Security engineerJob Title - Network Security engineer

DMV IT ConsultingCompany Name - DMV IT Consulting

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Washington, District of Columbia, USA

Full-time

Hi Everyone, Please look into the requirement and share me relevant profiles to Role: Network Security engineer Location: DC Duties & Responsibilities:a. Ability to monitor and analyze data traffic patterns within the OCFO network infrastructure;b. Identify network problems and recommend improvements to ensure optimal performance;c. Ability to improve network quality regarding any degradation;d. Ability to enhance security and knowledge of the latest security threats, worms and malware and advi

AI Security EngineerJob Title - AI Security Engineer

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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Washington, District of Columbia, USA

Full-time

Job Title: Security Engineer - AI Red Teaming & Threat Analytics Location: Washington, DC (Hybrid - 3 Days Onsite) Type: 6-Month Contract-to-Hire Clearance: Must be eligible for Public Trust Overview: Our client is seeking a Security Engineer with a strong background in AI security, red teaming, and adversarial testing. This role focuses on securing enterprise LLM platforms such as Copilot, Azure OpenAI, and AWS Bedrock by identifying vulnerabilities, mitigating misuse, and implementing robu

Senior Application Security EngineerJob Title - Senior Application Security Engineer

Software Guidance & AssistanceCompany Name - Software Guidance & Assistance

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Rockville, Maryland, USA

Contract

Software Guidance & Assistance, Inc., (SGA), is searching for a Senior Application Security Architect for a Contract assignment with one of our premier Regulatory clients in Rockville, MD. This role is hybrid (2 days/week Oniste). The Senior Application Security Architect is responsible for designing, implementing, and overseeing enterprise-wide application security architecture and standards. This role focuses on establishing security frameworks, conducting architecture reviews, developing

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

Offensive Security EngineerJob Title - Offensive Security Engineer

Costar GroupCompany Name - Costar Group

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Arlington, Virginia, USA

Full-time

Offensive Security Engineer Job Description Offensive Security Engineer 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 wo

Security EngineerJob Title - Security Engineer

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

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Columbia, Maryland, USA

Full-time

Top Skills' Details 1.) 6 + years' experience as an Information Security Engineer with system design and security engineering experience implementing a wide range of security solutions both on prem and in the cloud (Azure) 2.) Oversee and lead the implementation of security solutions; develop technical and reference architectures throughout the project duration. (DLP, IAM, Vulnerability Management, Network Security, Windows Infrastructure and Systems) 3.) Knowledgeable with Microsoft 365 suite o

Information Systems Security EngineerJob Title - Information Systems Security Engineer

Data Intelligence LLC.Company Name - Data Intelligence LLC.

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Vienna, Virginia, USA

Full-time

Data Intelligence, LLC is seeking a skilled Information Systems Security Engineer (ISSE) to support a top-tier federal client engaged in national security and counterterrorism operations. This full-time position, based in Vienna, VA, plays a critical role in securing complex IT systems in a high-visibility, mission-driven environment. The selected candidate will work closely with government and contractor stakeholders to ensure compliance, manage risk, and defend against evolving cyber threats.

Security EngineerJob Title - Security Engineer

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

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Columbia, Maryland, USA

Full-time

The Security Engineer is a hands-on security professional, responsible for ensuring security in the SDLC, implementation, and operational maintenance of Maxim Information Security controls and countermeasures. Performs security functions including IAM, vulnerability scanning, light pen testing, daily review of security reports and security systems. Generates internal threat intelligence to feed back into the security stack. Monitors compliance with the organization's information security policie

Application Security Engineer - W2Job Title - Application Security Engineer - W2

Narvee Tech IncCompany Name - Narvee Tech Inc

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Reston, Virginia, USA

Contract

Job Title: InfoSec Engineer Duration: 6-12+ Months (Possible Extension) Location: Reston, VA (Onsite) Job Description: We are seeking a highly skilled Application Security Engineer/DevOps Specialist to join our dynamic team. The ideal candidate will have extensive knowledge in AWS, application security, coupled with proficiency in Python programming language. Responsibilities: Ensure robust and secure software development lifecycle (SDLC) practices.Design, implement, and maintain secure applicat

Information Systems Security EngineerJob Title - Information Systems Security Engineer

BOOZ, ALLEN & HAMILTON, INC.Company Name - BOOZ, ALLEN & HAMILTON, INC.

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Fort Belvoir, Virginia, USA

Full-time

Information Systems Security Engineer The Opportunity: Are you looking for an opportunity to share your experience in system security engineering to help our country and assist our clients with critical missions? As a systems security and network security engineer, you can identify the Information System Security Engineering needed to assess vulnerabilities and recommend the best solution and security strategy. We need your experience to lead the development and implementation of security solut

Virtru Security EngineerJob Title - Virtru Security Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Arlington, Virginia, USA

Full-time

Job Number: R0219984 Virtru Security Engineer The Opportunity: As a Virtru Security Engineer you'll play a critical role in the world of zero t rus t. You will support the cyber architecture development, implementation, and sustainment across multiple networks of different classification levels. You'll interface with stakeholders and engineering teams to delve into the details and dependencies of critical processes and users' roles within them. You'll lead security compliance initiatives and a

Cloud Security EngineerJob Title - Cloud Security Engineer

Cornerstone DefenseCompany Name - Cornerstone Defense

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Herndon, Virginia, USA

Full-time

Location: Herndon, Virginia Type: Contract Job #3713 Title: Cloud Security Engineer Location: Herndon, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team i

Information Systems Security EngineerJob Title - Information Systems Security Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Fort Belvoir, Virginia, USA

Full-time

Job Number: R0221437 Information Systems Security Engineer The Opportunity: Are you looking for an opportunity to share your experience in system security engineering to help our country and assist our clients with critical missions? As a systems security and network security engineer, you can identify the Information System Security Engineering needed to assess vulnerabilities and recommend the best solution and security strategy. We need your experience to lead the development and implementat