Security engineering Jobs in District of Columbia

421 - 440 of 784 Jobs

Information Systems Security Engineer II (Onsite)Job Title - Information Systems Security Engineer II (Onsite)

RTX CorporationCompany Name - RTX Corporation

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Sterling, Virginia, USA

Full-time

Date Posted: 2025-07-23 Country: United States of America Location: HVA34: Sterling, VA 22640 Davis Dr , Sterling, VA, 20164-7104 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret Information Systems Security Engineer II (Onsite) Do you like video games? Have you ever wondered what it would be like to create yo

Lead Network EngineerJob Title - Lead Network Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Maryland, USA

Full-time

Job Number: R0221945 Network Engineer, Lead Key Role: Serve as a lead network engineer responsible for supporting, engineering, and reengineering complex enterprise network infrastructure. Focus on enhancing network performance, security, and reliability across both data center and campus environments. Lead the resolution of high-impact network incidents and drive smooth transitions during system upgrades and infrastructure modernization. Apply advanced expertise in Cisco technologies-including

ISCM Security Architect (CDM)Job Title - ISCM Security Architect (CDM)

Valiant Solutions LLCCompany Name - Valiant Solutions LLC

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Remote

Full-time

Valiant Solutions is seeking an ISCM Security Architect to join our rapidly growing and innovative cybersecurity team! The ISCM Architect will help drive our client s ISCM program to new levels. Our FISMA-optimized program aims to integrate ISCM into functions across the agency further. A key component of this effort is overseeing the continued integration of the Continuous Diagnostics and Mitigation (CDM) program into agency processes, leveraging our automate-first approach. The ideal candidat

Databricks Security Engineer, Senior (Security Clearance) -Remote work local to DC Metro or FLJob Title - Databricks Security Engineer, Senior (Security Clearance) -Remote work local to DC Metro or FL

ICFCompany Name - ICF

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Remote or Arlington, Virginia, USA

Full-time

ICF International seeks an experienced and cleared Senior Databricks Security Engineer with cyber security experience to support the research and development of new cyber analytic capabilities that will help the US protect and defend its networks and critical information systems. This essential role will support a large federal cyber security analytic program. Your work will contribute to the knowledge of how cyber-attacks work, how vulnerabilities are exploited, and the way hostile cyber actors

SAP NS2 Senior Information Security Compliance SpecialistJob Title - SAP NS2 Senior Information Security Compliance Specialist

SAP Americas, Inc.Company Name - SAP Americas, Inc.

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Herndon, Virginia, USA

Full-time

We help the world run better At SAP, we keep it simple: you bring your best to us, and we'll bring out the best in you. We're builders touching over 20 industries and 80% of global commerce, and we need your unique talents to help shape what's next. The work is challenging - but it matters. You'll find a place where you can be yourself, prioritize your wellbeing, and truly belong. What's in it for you? Constant learning, skill growth, great benefits, and a team that wants you to grow and succeed

Solution Engineer, MuleSoft, Salesforce National SecurityJob Title - Solution Engineer, MuleSoft, Salesforce National Security

SalesforceCompany Name - Salesforce

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Herndon, Virginia, USA

Full-time

To get the best candidate experience, please consider applying for a maximum of 3 roles within 12 months to ensure you are not duplicating efforts. Job Category Sales Job Details About Salesforce We're Salesforce, the Customer Company, inspiring the future of business with AI+ Data +CRM. Leading with our core values, we help companies across every industry blaze new trails and connect with customers in a whole new way. And, we empower you to be a Trailblazer, too - driving your performance a

Senior Security Engineer - Cyber Threat Mitigation LeadJob Title - Senior Security Engineer - Cyber Threat Mitigation Lead

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 Security Engineer - Cyber Threat Mitigation Lead to work in our Washington, DC office. Please Note: This position is contingent upon additional funding. ECS Federal is a leading information security and information technology company in Washington, DC. We are looking to hire a Senior Security Engineer - Cyber Threat Mitigation Lead to lead a cross functional team (Cyber Threat Intelligence, Hunt, and Analytics) on a long-term contract in Washington DC.

Supervisory IT Cybersecurity Specialist (Policy and Planning/Information Security)Job Title - Supervisory IT Cybersecurity Specialist (Policy and Planning/Information Security)

U.S. Coast GuardCompany Name - U.S. Coast Guard

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Alexandria, Virginia, USA

Full-time

Summary This position is located in the Department of Homeland Security (DHS), United States Coast Guard (USCG), Command, Control, Communications, Computers, Cyber, and Intelligence Service Center (C5ISC) Infrastructure Services Division (ISD), Cloud and Data Branch (CLD), Data and AI Section located in Alexandria, Virginia. Duties Help You will serve as an Supervisory IT Cybersecurity Specialist (Policy and Planning/Information Security) and be responsible for serving as the connective tiss

Senior Information System Security Officer (ISSO)Job Title - Senior Information System Security Officer (ISSO)

LeidosCompany Name - Leidos

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Annapolis, Maryland, USA

Full-time

Senior Information System Security Officer (ISSO) Leidos currently has an opening for a Senior Information System Security Officer (ISSO) to work at our Annapolis Junction, MD location. The selected candidate will act as an ISSO for a large software development program which includes software maintenance and development, IT support (Network/Workstation/Server), systems integration and life cycle support, enterprise application development, network engineering, and information systems security (

Software EngineerJob Title - Software Engineer

Navigant ConsultingCompany Name - Navigant Consulting

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Springfield, Virginia, USA

Full-time

Job Family: Software Engineering (SWE) Travel Required: None Clearance Required: Active Top Secret SCI (TS/SCI) What You Will Do: Support the International Affairs (IA) office of a large IC Agency with software development and maintenance for business process improvement and knowledge management efficiencies. You will coordinate and lead requirements gathering, user engagement, delivery of IA's needs, and deliver and maintain specific tools and capabilities. Additional duties include: Softwa

Air Dominance & Strike - Mission Autonomy - Software Engineer (Generalist)Job Title - Air Dominance & Strike - Mission Autonomy - Software Engineer (Generalist)

Aduril IndustriesCompany Name - Aduril Industries

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Washington, District of Columbia, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

Senior Information Systems Security OfficerJob Title - Senior Information Systems Security Officer

Realm OneCompany Name - Realm One

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Annapolis, Maryland, USA

Full-time

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 industry professionals. We are searching for talented individuals who provide intelligence, engineering,

Senior Security & Life Safety TechnicianJob Title - Senior Security & Life Safety Technician

LeidosCompany Name - Leidos

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Chantilly, Virginia, USA

Full-time

Description The Multi-Domain Solutions (MDS) division at Leidos is seeking a Senior Security & Life Safety Technician who is responsible for supporting the planning, monitoring, and maintenance of life safety and security systems across all organizational facilities. This role ensures the optimal performance and compliance of fire detection, hazard monitoring, emergency egress, and fire suppression systems. The technician plays a key role in supporting outage response, system documentation, and

Senior Cybersecurity Analyst / Information Security Manager - Top Secret ClearanceJob Title - Senior Cybersecurity Analyst / Information Security Manager - Top Secret Clearance

Akima, LLCCompany Name - Akima, LLC

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Rockville, Maryland, USA

Full-time

We are seeking a highly skilled Senior Cybersecurity Analyst / Information Security Manager with expertise in IT security, risk management, and policy development. The ideal candidate will have a minimum of five (5) years of experience implementing security measures to protect the confidentiality, integrity, and availability of information systems and data, along with at least two (2) years of supervisory experience in a cybersecurity or IT security role. This individual will be responsible for

Security Analyst 2Job Title - Security Analyst 2

ManTechCompany Name - ManTech

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Chantilly, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Security Analyst 2 to join our team in the Chantilly, VA area. Responsibilities include, but are not limited to: Fingerprinting NRO personnel and collecting and inputting biographical dataUploading and submitting fingerprints into the system of recordTaking the initiative, conducting work-arounds when needed, and making necessary decisions to ensure progress is made reach goalsUsing multiple NRO, DOD, and IC databases including, but not li

Network Security AnalystJob Title - Network Security Analyst

Cymertek CorporationCompany Name - Cymertek Corporation

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Tysons, Virginia, USA

Full-time

Network Security Analyst 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 detail-oriented and proactive Network Security Analyst to join our cybersecurity team. In this role, you will monitor, analyze, and protect the organization's network infrastructure against potential threats and vulnerabilities. You will be responsible for identifying security risks, responding to incidents, and implementing m

Senior Security EngineerJob Title - Senior Security Engineer

Request Technology, LLCCompany Name - Request Technology, LLC

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Remote

Full-time

Senior Security Engineer Salary: Open + Bonus + Stock Options Location: Remote *We are unable to provide sponsorship for this role* Qualifications Product security or endpoint-focused consulting, with hands-on testing of Windows-based agents or EDR/AV productsExperience building fuzzers or integrating existing fuzzing frameworks for native codeExperience and capability in building automated test harnesses from the ground upStrong Windows OS internals knowledge, especially user-mode hooking and W

Information Systems Security Officer Level 2Job Title - Information Systems Security Officer Level 2

General DynamicsCompany Name - General Dynamics

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Annapolis, 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: Information Security Job Qualifications: Skills: Computer Security, Information System Security, Security Information, Security Requirements, System Security Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Provides support for a

Senior Information Systems Security OfficerJob Title - Senior Information Systems Security Officer

BlueHaloCompany Name - BlueHalo

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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 technologists 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 t

Application Security EngineerJob Title - Application Security Engineer

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

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Fort Meade, Maryland, USA

Full-time

Application Security Engineer The Opportunity: Everyone is trying to "harness the cloud," but not everyone knows how. As a cloud computing infrastructure architect, you know how to take advantage of cloud capabilities. On our team of experienced professionals, you'll use cutting-edge enterprise cloud platforms to support your clients as they modernize their IT infrastructure and meet their most challenging missions. We're looking for someone like you to help support national security. Whether m