Security engineering Jobs in District of Columbia

281 - 300 of 830 Jobs

Cybersecurity Engineer, SeniorJob Title - Cybersecurity Engineer, Senior

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

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Chantilly, Virginia, USA

Full-time

Cybersecurity Engineer, Senior The Opportunity: Are you looking for an opportunity to share your experience in network and system security to safeguard our nation? As a cybersecurity engineer, you can identify, implement, and operate the systems, tools, and approaches needed to assess vulnerabilities, repel threats, and improve enterprise security. We need your experience to lead the development and implementation of security solutions that protect critical national security missions. On our te

Information Systems Security Officer/ ISSO ( Hybrid)Job Title - Information Systems Security Officer/ ISSO ( Hybrid)

Protos ITCompany Name - Protos IT

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Washington, District of Columbia, USA

Contract

Title: Information Systems Security Officer / ISSO Location: Washington, DC duration: 6 months, extension. job type: Hybrid security clearance: Ability to obtain Public trust. The Information Systems Security Officer / ISSO will be responsible for creating, revising, documenting and maintaining the overall security related policies, procedures, laws and regulations; as well as creating, documenting and implementing various security plans and compliance documents to enforce Information Assuranc

AWS Security EngineerJob Title - AWS Security Engineer

Advance Digital SystemsCompany Name - Advance Digital Systems

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Washington, District of Columbia, USA

Contract

We are seeking an experienced AWS Security Engineer is responsible for designing, implementing, and maintaining secure cloud architectures in AWS while ensuring continuous compliance with federal cybersecurity policies and frameworks. This hybrid role includes supporting cloud security engineering as well fulfilling the duties of an Information System Security Officer (ISSO) to support Authorization to Operate (ATO) activities, security documentation, and ongoing system monitoring. Position Resp

Information System Security Engineer (ISSE)Job Title - Information System Security Engineer (ISSE)

Parsons Services CompanyCompany Name - Parsons Services Company

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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

Principal Cyber Support DeveloperJob Title - Principal Cyber Support Developer

ManTechCompany Name - ManTech

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Chantilly, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Principal Cyber Support Developer to join our team in the Chantilly, VA. Responsibilities include but are not limited to: Integrate, tailor, engineer, design, and maintain cybersecurity relevant features & capabilities using well-known windows and cloud vendor capabilities/services/platforms (e.g. Amazon Web Services, MS Azure, Oracle Cloud) or 3rd party vendor cloud products to align & support NIST cybersecurity framework (Identify, Protec

Data Security EngineerJob Title - Data Security Engineer

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

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Arlington, Virginia, USA

Full-time

Data Security Engineer Key Role: Architect, deploy, and configure data security solutions across various clients for DoD, IC, and Civilian Federal clients. Create new architectures to meet client requirements adhering to Zero T rus t best practices and IC data header guidelines. Interface with key stakeholders, including agency personnel and internal delivery and engineering teams. Assist in building custom policy to ensure positive control of data across hybrid cloud environments. Basic Quali

Network Security EngineerJob Title - Network Security Engineer

Cymertek CorporationCompany Name - Cymertek Corporation

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Tysons, Virginia, USA

Full-time

Network Security Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and passionate Network Security Engineer to join our team and play a critical role in safeguarding our organization's digital infrastructure. In this position, you will design, implement, and maintain robust security measures to protect networks, systems, and data from cyber threats. You'll work closely with cross-functio

Application Security ArchitectJob Title - Application Security Architect

ConsultNet, LLCCompany Name - ConsultNet, LLC

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Rockville, Maryland, USA

Full-time

Title: Application Security Architect Location : Rockville, Maryland Target Start Date : ASAP Type: contract Pay Rate: DOE We are seeking a Senior Application Security Architect to lead the design and implementation of robust, enterprise-wide application security architecture. This role is instrumental in shaping security strategy, setting technical standards, and integrating security practices across the software development lifecycle (SDLC). You'll collaborate with cross-functional teams to

Senior Lead Site Reliability Engineer - RemoteJob Title - Senior Lead Site Reliability Engineer - Remote

Akamai TechnologiesCompany Name - Akamai Technologies

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Cambridge, England, United Kingdom

Full-time

Would you enjoy improving stability and safety of one of the largest global networks? \n Would you enjoy hands-on network operations work on a global scale to improve our operational efficiency? \n Join our Platform Security Engineering Team \n The Platform Security Engineering team is a group of engineers that support and secure Akamai's global network and Linode cloud systems. Our systems provide data security, server integrity, network access, and secure communications infrastructure. This is

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 info

Systems Security EngineerJob Title - Systems Security Engineer

SAICCompany Name - SAIC

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Beltsville, Maryland, USA

Full-time

Job ID: 2508107 Location: BELTSVILLE, MD, US Date Posted: 2025-07-31 Category: Cyber Subcategory: Cybersecurity Ops Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a highly motivated Systems Security Engineer. The successful candidate will provide support to the Cybersecurity Integrity Center in the Department of State Bureau of Diplomatic Technol

Lead Engineer - Red TeamJob Title - Lead Engineer - Red Team

Target CorporationCompany Name - Target Corporation

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Remote or Brooklyn Park, Minnesota, USA

Full-time

The pay range is $128,000.00 - $231,000.00 Pay is based on several factors which vary based on position. These include labor markets and in some instances may include education, work experience and certifications. In addition to your pay, Target cares about and invests in you as a team member, so that you can take care of yourself and your family. Target offers eligible team members and their dependents comprehensive health benefits and programs, which may include medical, vision, dental, life

Information System Security Officer (ISSO) - Full-TimeJob Title - Information System Security Officer (ISSO) - Full-Time

Chabez Tech LLCCompany Name - Chabez Tech LLC

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Maryland City, Maryland, USA

Full-time

Role: Information System Security Officer (ISSO) Location: Annapolis Junction, MD Job Type: Full-Time We are looking for an Information System Security Officer (ISSO) to work at our Annapolis Junction, MD, location. This is an exciting opportunity to use your experience to support an important, fast-paced, mission-critical program. The selected candidate will act as an ISSO for a large software development program that includes software maintenance and development, IT support (Network/Workstatio

System Security EngineerJob Title - System Security Engineer

Cymertek CorporationCompany Name - Cymertek Corporation

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Tysons, Virginia, USA

Full-time

System Security Engineer 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 motivated and detail-oriented System Security Engineer to design, implement, and maintain security measures that protect our critical systems and data. In this role, you will work closely with cross-functional teams to identify vulnerabilities, develop robust security solutions, and ensure compliance with industry standards

Information System Security EngineerJob Title - Information System Security Engineer

Cymertek CorporationCompany Name - Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

Information System Security Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and proactive Information System Security Engineer to join our cybersecurity team. In this role, you will design, implement, and maintain security solutions to protect critical information systems and ensure compliance with established security standards. You will collaborate with cross-functional teams to asse

Security AnalystJob Title - Security Analyst

SAICCompany Name - SAIC

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Arlington, Virginia, USA

Full-time

Job ID: 2507505 Location: ARLINGTON, VA, US Date Posted: 2025-07-14 Category: Security Subcategory: Security 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 seeking a Security Analyst with an active TS/SCI clearance to provide general administrative support to the Office of the Under Secretary of Defense for Research and Engineering (OUSD(R&E)). This position

Information System Security OfficerJob Title - Information System Security Officer

Cymertek CorporationCompany Name - Cymertek Corporation

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Tysons, Virginia, USA

Full-time

Information System Security Officer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a dedicated and detail-oriented Information System Security Officer (ISSO) to join our cybersecurity team. In this role, you will be responsible for maintaining the security posture of information systems, ensuring compliance with security policies, and managing risk through the implementation of robust security measures.

Information Systems Security Officer (ISSO) - Washington, DCJob Title - Information Systems Security Officer (ISSO) - Washington, DC

Protos ITCompany Name - Protos IT

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Washington, District of Columbia, USA

Contract

Information Systems Security Officer (ISSO) Washington, DC Public Trust JOB DESCRIPTION The USMINT Cybersecurity Operations Support Services Program has a current need for an Information Systems Security Officer. The ISSO will be responsible for creating, revising, documenting and maintaining the overall security related policies, procedures, laws and regulations; as well as creating, documenting and implementing various security plans and compliance documents to enforce Information Assurance p

Software EngineerJob Title - Software Engineer

LeidosCompany Name - Leidos

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Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a 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 immediate vesting, Fle

Information Systems Security Engineer (ISSE)Job Title - Information Systems Security Engineer (ISSE)

Cymertek CorporationCompany Name - Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

Information Systems Security Engineer (ISSE) LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a proactive and skilled **Information Systems Security Engineer (ISSE)** to join our team and play a critical role in ensuring the security and integrity of our information systems. In this role, you will design, implement, and maintain security solutions to safeguard sensitive data and infrastructure. You will c