11,684 Results for

Senior Security Jobs in Washington, DC

Jobs

Naval Architect, Senior THOR Solutions, LLC

Washington, DC

$130,000–$150,000 / year

Founded in 2009, THOR Solutions, LLC (THOR) is a rapidly growing Center for Veteran’s Excellence (CVE) verified Service-Disabled Veteran-Owned Small Business (SDVOSB) providing mission critical support across the Department of Defense, Department of Homeland Security, federal civilian agencies and commercial maritime industry, worldwide. THOR provides innovative and tailored expertise in multidisciplinary engineering, project and program management, business and financial management, technical support, integrated logistics support, training support, fleet support, corporate operations support, assessments and studies.

21 days ago

Naval Architect (General), Senior THOR Solutions, LLC

Baltimore, MD

Full time

30+ days ago

Senior Cloud Engineer Leidos

Alexandria, Virginia

Candidate must, at a minimum, have one of these certifications: MCSE (Server), Certified AWS SysAdmin, AWS Certified Cloud Practitioner, AWS Certified Developer, AWS Certified Solutions Architect, AWS Certified DevOps Engineer, AWS Certified Advanced Networking, AWS Certified Security, Azure Developer Associate, Azure Solutions Architect. July 17, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

30+ days ago

Senior Machine Learning Engineer-Field Engagement Striveworks Inc

Washington, DC

$160,000–$200,000 / year

Between customer engagements, you'll have the freedom to invest in high-value work shaped by what you've learned in the field: polishing rough edges in the product, contributing to platform improvements, building better onboarding and technical resources, and writing technical blogs and papers about new and exciting applications of our products or research with them. As a Senior Machine Learning Engineer-Field Engagement at Striveworks, you'll work directly with our customers during trials and early deployments of Chariot, our AI product suite spanning Chariot Core (our AIOps platform), Forge (our agentic harness), and vertical solutions.

2 days ago

Senior Experience Partner Granicus

Washington, Washington, DC

$112,000–$163,000 / year
Full time

Ideal candidates have experience as a human-centered design practitioner, data-driven analyst, digital content creator, technology strategist, program manager, business development manager, account manager and/or customer relationship manager. You Will Love This Job If You Have: 7-10 years’ of experience in digital services, managing a portfolio of projects, including scoping, delivery, quality assurance, and growth of programs, preferably with an understanding of human-centered design best practices and approaches.

25 days ago

Security Officer - Unarmed Patrol Access Control Allied Universal

Chantilly, VA

You will conduct routine patrols, monitor assigned areas, maintain a visible presence to help deter incidents, and provide courteous communication to patients, visitors, and staff. Conduct regular and random unarmed patrols of laboratory, office, parking, and perimeter areas to help identify and report unusual activity, hazards, and access concerns.

7 days ago

Sr. Oracle Database Administrator CDIT

Columbia, Maryland

The ideal candidate will bring extensive hands-on experience with Oracle 19c, Data Guard, Data Guard Broker, FSFO, RMAN, and Linux, with the ability to independently troubleshoot and support complex database environments. Administer and support Oracle 19c databases in a Data Guard configuration consisting of one primary and two standby databases.

23 days ago

Senior Technical Analyst TechGuard Security

Fort Meade, MD

Full time
Quick Apply

Position Responsibilities:Serve as an international engagement planning specialistFocus on providing support to geographic combatant command campaign strategiesApply a broad understanding of developing and advocating cyberspace plans, strategy, and policy to support and align with organizational cyberspace missions and initiatives Advise on conducting strategic, operational, and tactical level planning for cyber operations, network defense, signals intelligence, information operations, space, and electronic warfareLeverage expertise in military operations and all phases of planning, approval, and executionProvide client leadership with situational awareness of projectsBasic Qualifications:10+ years of experience with supporting military operations5+ years of experience with international engagement, security cooperation, or building partner capacityExperience with Joint planning and developing and revising DoD Joint planning doctrines and processesExperience with writing General Officer, Flag Officer, or Senior Executive Service executive summaries, orders, technical papers, and story boards in support of ongoing missionsKnowledge of geo-political and political-military aspects of international military partnershipsKnowledge of military action officer or staff officer functionsTS/SCI clearance with current polygraphH.S. Diploma or GEDAdditional Requirements:Experience with cybersecurityKnowledge of defensive and offensive cyberspace operationsBachelor's degree preferredClearance Requirements: TS/SCI Security Clearance with current polygraph

20 days ago

Senior Software Engineer Active Secret Clearance Striveworks Inc

$185,000–$230,000 / year

Since 2018, we have delivered the most trusted AI systems operating in real-world use cases-providing a layer of assurance underneath hundreds of deployed models that monitors performance, manages drift, and sustains systems long after they leave the lab. Ability to independently lead the software development life cycle, from collaborating with product teams on requirements to executing technical design, implementation, and deployment.

30+ days ago

Senior Administrative Assistant-540207 Delaware Nation Industries

Washington, DC

Quick Apply

The purpose of this SOW is to establish requirements for a Senior Executive Administrative Assistant (Administrative Assistant IV) to provide high-level administrative and logistical support to Senior Executive-level personnel, including Deputy and Assistant Secretary-level officials, in support of program management, executive coordination, and training functions. Interfacing and maintaining contacts with DOS program participants, Executive Directors, high-level contractor personnel, Deputy and Assistant Secretary-level personnel, and executive assistants/management support personnel throughout the Department.

15 days ago

Talent Management Senior Advisor Delaware Nation Industries

Washington, District of Columbia

$140,000–$150,000 / year

The Senior Advisor shall provide support services to R/PPR/TM by studying and analyzing the needs of the public diplomacy (PD) workforce, and developing and implementing policy and programming to develop human capital for PD efforts, and liaising with human resources officials, public affairs officers, and senior leadership at the Department of State on behalf of R/PPR and larger PD community. Coordinate R/PPR working groups, frequently serving as lead, to assess PD section staffing levels, skill sets, and operational capacity to develop cohesive organizational structures that enable posts to accomplish mission objectives efficiently and effectively.

22 days ago

Senior Media Relations / Public Affairs Leidos

Falls Church, Virginia

The Senior Media Relations/Public Affairs professional will work closely with Government public affairs officers to respond to national and industry media inquiries, prepare senior leaders and subject matter experts for media engagements, monitor and analyze news coverage, and support proactive media outreach. Bachelor’s degree in Communications, Public Relations, Journalism, Marketing, English, Political Science, or a related field and a minimum of 5 years of relevant professional experience in media relations, public affairs, strategic communications, journalism, or a related discipline.

30+ days ago

Senior Administrative Assistant-540206 Delaware Nation Industries

Washington, DC

$90,000–$100,000 / year

14 days ago

Senior Advisor - AUKUS Pillar Integration Systems Planning and Analysis

Alexandria, Virginia

Full time

Director Submarine Program unifies submarine platform procurement activities, which includes the Columbia-class SSBN program (a Major Defense Acquisition Program and the Navy’s top acquisition priority), the Virginia-class SSN program, the new SSN-X program (developing the next generation attack submarine), and the AUKUS Integration and Acquisition Office, to bring improved capabilities to our undersea forces. Analysts and Engineers supporting Director Submarine Program will continue SPA’s decades of support to the SSBN force, as well as supporting oversight of cutting-edge attack submarine construction, assisting in developing the design requirements for the SSN platform of the future, and helping plan and execute new and innovative strategies to strengthen the critical submarine shipbuilding industrial base.

30+ days ago

Mission Synchronization / Senior Mission Lead Occam Solutions

Arlington, VA

The ideal candidate brings substantial experience supporting Army organizations, advanced cybersecurity knowledge, and demonstrated success advising senior military and civilian leadership. This position serves as a senior mission integrator and subject matter expert, connecting cybersecurity requirements with Army acquisition processes, weapons systems, operational priorities, and technical implementation efforts.

15 days ago

Senior Cyber Planning and IT Infrastructures Analyst Leidos

Fort Meade, Maryland

Responsibilities also include applying Continuous Process Improvement (CPI) principles to enhance service delivery, system integration, governance, and operational effectiveness; contributing within environments using Scaled Agile Framework (SAFe) and ITIL 4 service management practices; and writing, reviewing, and editing technical and operational documents, including technical documentation, Concept of Operations (CONOPS), Training Plans, executive summaries, decision papers, and briefing materials for General Officer and Senior Executive audiences. Candidates must also demonstrate experience writing, reviewing, and editing **technical documents, CONOPS, and Training Plans**; communicating effectively with technical and non-technical audiences, including General Officer, Senior Executive, and other decision-maker audiences; working independently with limited direction; supporting multiple large-scale IT systems; and working with IaaS and PaaS technologies.

29 days ago

Senior Network Engineer M9 Solutions

Springfield, Virginia

With 15+ years of proven delivery and growth, M9 Solutions is a unique small business with credible past performance and key capabilities offering project management services, solution architects, business analysts, program managers, technical architects, and technical consultants. M9 Solutions is a proud participant in the Virginia Values Veterans (V3) program and supports the Military Medics and Corpsmen (MMAC) initiative, demonstrating our commitment to hiring and supporting veterans, transitioning service members, military spouses, and dependents.

15 days ago

Data Scientist (Data Analytics Officer) - Sr. Bluehawk, LLC

Reston, VA

Active TS/SCI CI Poly and ability to work on-site at the DIA Government SCIF in Reston, Virginia during COR-established working hours. The position identifies trends, gaps, anomalies, and optimization opportunities that inform resource allocation, operational planning, collection management, and leadership decisions.

30+ days ago

Senior Process Engineer Facilities Avio Usa Inc

Arlington, VA

Full time

The engineer will work across engineering, operations, facilities, quality, safety, security, contractors, equipment suppliers, and program leadership to take the factory from design through installation, commissioning, qualification, and production ramp. Avio USA is seeking a Senior Process & Facilities Engineer to play a key role in the development, buildout, commissioning, and launch of a new aerospace and defense manufacturing facility to be located in Hurt, Virginia.

30+ days ago

Security Officer - Full Time Patrol Allied Universal

Ashburn, VA

As an Unarmed Security Officer with Allied Universal, you will monitor and patrol a government education location, maintaining a visible presence that helps deter security-related incidents. Conduct regular and random unarmed patrols of school buildings, grounds, parking areas, and perimeter areas to help identify and report unusual activity, hazards, or maintenance concerns.

22 days ago

Get noticed by top employers!

Upload your resume to let employers know you're open to Senior Security job opportunities. Plus, receive relevant job recommendations in your inbox.

Create A Free Account

Senior Security Jobs in Washington, DC

Naval Architect, Senior THOR Solutions, LLC

Naval Architect (General), Senior THOR Solutions, LLC

Senior Cloud Engineer Leidos

Senior Machine Learning Engineer-Field Engagement Striveworks Inc

Senior Experience Partner Granicus

Security Officer - Unarmed Patrol Access Control Allied Universal

Sr. Oracle Database Administrator CDIT

Senior Technical Analyst TechGuard Security

Senior Software Engineer Active Secret Clearance Striveworks Inc

Senior Administrative Assistant-540207 Delaware Nation Industries

Talent Management Senior Advisor Delaware Nation Industries

Senior Media Relations / Public Affairs Leidos

Senior Administrative Assistant-540206 Delaware Nation Industries

Senior Advisor - AUKUS Pillar Integration Systems Planning and Analysis

Mission Synchronization / Senior Mission Lead Occam Solutions

Senior Cyber Planning and IT Infrastructures Analyst Leidos

Senior Network Engineer M9 Solutions

Data Scientist (Data Analytics Officer) - Sr. Bluehawk, LLC

Senior Process Engineer Facilities Avio Usa Inc

Security Officer - Full Time Patrol Allied Universal

Similar Job Searches