3,014 Results for

Senior Security Jobs in Oxon Hill, MD

Jobs

reston, VA29 days ago

$55–$60 Per Hour
Temporary
Contractor
Full-time

Key experience: Application security, Threat Modelling, API Security, DevSecOps, Pipeline security, Infrastructure security, AuthN/Z, Encryption, Key Management, Data discovery and encryption, SIEM, CSPM, CWPP, Access Controls, Container Security. This position requires deep expertise in Information Security principles including Business Security Architecture, Threat Modelling, Data Security (data encryption, masking, tokenization, data access controls), AWS Cloud and Systems architecture.

Washington, DC14 days ago

This practice advises sophisticated global clients—including asset managers, sovereign wealth funds, multinational companies, and major financial institutions—on the full spectrum of U.S. national security regulatory regimes. Substantial experience providing compliance advice related to economic sanctions, export controls, and outbound investment restrictions, including matters involving OFAC, EAR/BIS, ITAR/DDTC, and OGT .

Washington, DC10 days ago

Temporary
Contractor
Full-time

Strong understanding of security concepts and technologies related to Identity and Access Management (IAM), security engineering, network security design, security operations, security architecture, general engineering processes, cloud security, data loss protection, zero trust, DevSecOps and vulnerability management. Proven ability to provide technical security consultation and advisory services with a proactive approach to identifying potential issues, raising questions, and engaging in open dialogue with team members and stakeholders to ensure security objectives are met.

Arlington, VA17 days ago

$175,000–$190,000 Per Year

Integrated Data Services (IDS) is seeking a Senior Program Manager to lead the deployment and adoption of the Comprehensive Cost and Requirements (CCaR) System across the Department of the Army to include the Army Secretariat, Army Staff, Major Commands, and Subordinate Commands. This operates at the intersection of financial management, enterprise software, and senior leader decision-making, directly enabling Army leadership to transition from static, manual processes to real-time, data-driven decision advantage.

McLean, VA13 days ago

Architect and deliver end‑to‑end AI/ML solutions on Google Cloud using Vertex AI (Workbench, Pipelines, Training, Model Registry, Online/Batch Prediction, Feature Store, Model Monitoring) and Gemini/LLM services—optimized for performance, cost, and maintainability. Proven experience architecting robust data ingestion, processing, and transformation workflows using Dataflow, Data Fusion, Dataproc, BigQuery, and Looker and integrating these platforms with Vertex AI for model training, deployment, and inference.

New!

Washington, DC1 day ago

This requirement provides critical mission support across various technical, program management, and administrative functions to assist ORR in its mission to promote the health, well-being, and stability of refugees and unaccompanied children. The Senior Operations Manager oversees administrative oversight, records management, and logistics across Refugee Resettlement and Unaccompanied Alien Children (UAC) programs.

New!

McLean, VAToday

We are looking for self-motivating employees who are proficient in and can lead all aspects of the pre-award capture lifecycle in areas of Defense and Military, to include opportunity identification, research, teaming conversations, negotiations, and proposal leadership (working closely with a proposal team). Must be experienced with leading task order capture efforts for one or more large-scale Defense and Military IDIQ contracts, to include developing overall IDIQ capture strategies, creatively and dynamically organizing efforts for maximum efficiency, and driving actions and priorities.

McLean, VA7 days ago

$130,000–$150,000

Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to: the individual’s skill sets, experience and training; licensure and certification requirements; office location and other geographic considerations; other business and organizational needs. Vaco by Highspring values a diverse workplace and strongly encourages women, people of color, LGBTQ+ individuals, people with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply.

New!

Washington, DC2 days ago

The Senior Training and Technical Assistance Manager oversees curriculum development, stakeholder support, and knowledge management for Refugee Resettlement and Unaccompanied Alien Children (UAC) programs. This requirement provides critical mission support across various technical, program management, and administrative functions to assist ORR in its mission to promote the health, well-being, and stability of refugees and unaccompanied children.

New!

Washington, DC2 days ago

The Senior Grants & Monitoring Manager oversees grants administration, monitoring and evaluation, compliance, and site visit support for Refugee Resettlement and Unaccompanied Alien Children (UAC) programs. This requirement provides critical mission support across various technical, program management, and administrative functions to assist ORR in its mission to promote the health, well-being, and stability of refugees and unaccompanied children.

New!

Washington, DC1 day ago

The Senior Data and Systems Manager oversees data validation, data analytics, help desk and systems support for Refugee Resettlement and Unaccompanied Alien Children (UAC) programs. This requirement provides critical mission support across various technical, program management, and administrative functions to assist ORR in its mission to promote the health, well-being, and stability of refugees and unaccompanied children.

New!

Washington, DC1 day ago

The Senior Communications Manager oversees public-facing content, stakeholder engagement, and digital content strategy for Refugee Resettlement and Unaccompanied Alien Children (UAC) programs. This requirement provides critical mission support across various technical, program management, and administrative functions to assist ORR in its mission to promote the health, well-being, and stability of refugees and unaccompanied children.

Laurel, MD14 days ago

$105,000–$245,000

Collaborate with our software development teams on improving our customized tools, including designing efficient representations for large datasets, testing accurate interactions across interdependent algorithms, and automating production analysis pipelines. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

Laurel, MD14 days ago

$100,000–$245,000

Our engineers and analysts apply a wide-range of disciplines such as sensor and data fusion, signal and image processing, operations research, applied physics, and artificial intelligence to build systems that automatically or autonomously orchestrate sensors, process data into information, and make intelligent inferences and predictions about complex threats and environments. Have domain knowledge in ISR processes, systems, platforms, and sensors used by the US military and intelligence community; Navy and Air Force kill chain concepts; targeting, C2, and mission planning processes and tools; threat systems, weapon platforms and systems, and communications networks.

Arlington, VA17 days ago

$175,000–$190,000 Per Year

This role is responsible for owning the customer relationship, driving enterprise adoption, and expanding the impact of the Project Management Resource Tools (PMRT) System and the Comprehensive Cost and Requirement (CCaR) System across Portfolio Acquisition Executive (PAE) organizations and Headquarters Air Force (HAF) stakeholders. When determining an applicant’s compensation, various factors are taken into consideration including, but not limited to: geographic location, relevant prior work experience, relevant training, special skills/competencies, education, clearance, licenses/certifications, labor categories/contract rates and other business needs.

New!

Laurel, MD6 days ago

$105,000–$290,000

The Electro Optical Seeker and Infrared Systems group (A1F) of the Air and Missile Defense Sector (AMDS) is seeking a Senior Embedded Systems & Hardware-in-the-Loop Engineer to lead the architecture and implementation of complete embedded systems, custom electronics hardware, FPGA firmware, real-time embedded software, and sophisticated HWIL test systems. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

Linthicum, MD7 days ago

Required Experience: Bachelor’s degree in a technical discipline and 15 years’ experience as a System Administrator, OR High school diploma and 20 years’ experience as a System Administrator. Ability to demonstrate cyber/IT related experience with attention to detail, customer service, oral and written communication, and problem solving.

Laurel, MD14 days ago

$105,000–$290,000

We have custom facilities tailored to specific classes of systems including foreign materiel, telecommunications/network infrastructure, and industrial systems as well as general reverse engineering labs. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.

New!

McLean, VA4 days ago

The disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs. With its strong 55-year heritage and deep industry expertise, Capgemini is trusted by its clients to address the entire breadth of their business needs, from strategy and design to operations, fueled by the fast evolving and innovative world of cloud, data, AI, connectivity, software, digital engineering and platforms.

McLean, VA11 days ago

The disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.

New!

Washington, DC4 days ago

The disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.

Brookeville, MD7 days ago

$16–$17

We strive to create lifelong musicians and make a difference in the world by enabling musicians and non-musicians alike to experience the almost indescribable happiness that comes from playing an instrument. Based in Frederick, MD, Music & Arts is now part of the Guitar Center enterprise and comprises 225+ retail stores, 200+ educational representatives, and 250+ affiliate locations.

New!

Washington, DC3 days ago

Ability to provide ad hoc and surge support services to support the development, implementation and execution of CTPP related initiatives including: o The coordination, development and implementation of CT programs in support of the National Security Memorandum 2 (NSM-2), Presidential Policy Directives, and National Security Presidential Memorandums related to counterterrorism. • The contractor will provide the requisite staff and expertise to effectively support the CTPP’s unique lines of effort that includes but is not limited to counterterrorism policy development, science and technology program implementation, program evaluation and assessment, and interagency exercise activities.

Ft. Belvoir, VA7 days ago

The selected candidate will play a critical role in developing Army leaders and analysts by strengthening their analytical, decision-making, and problem-solving capabilities in a complex, multi-domain operational environment. This role will serve as a subject matter expert responsible for delivering graduate-level instruction on Operations Research (ORSA) methodologies and the Army Planning, Programming, Budgeting, and Execution (PPBE) process.

California Maryland, MD14 days ago

$196,216–$300,000 Per Year

Profitability is expected to result by exercising leadership and management authority over assigned Managers to make the best profit bid decisions during proposal activity, and by establishing and executing an earn-value strategy throughout the year to keep a balance between direct labor accomplished and indirect resources expended, maintaining the rates established for the year. As such, the ASFS Operations Sector Manager is responsible for integrating the operation of all line organizations supporting customers within the specified set to optimize performance on all contracts and to exploit the capabilities of all line organizations supporting customers within the set to maximize DCS’ acquisition of new sponsors and contracts.

Washington, DC30+ days ago

Possesses expert knowledge of the Structured Query Language (SQL) environment with particular emphasis on planning, analysis, design and implementation of reports and report interfaces intended for the end user. SILLC is looking to fill an immediate opening for a Senior Oracle DBA for a project in downtown Washington DC (Metro accessible).

New!

Washington, DC2 days ago

$175,540–$175,540 Per Year
Full-time
Employee

Must have 2 years of experience in applying machine learning and AI techniques, particularly with generative AI and LLMs; · Must have 2 years of experience in with Python-based ML frameworks (TensorFlow, PyTorch, JAX, TGI/vLLM, and NumPy); · Must have 2 years of experience in deploying research prototypes as scalable production systems; · Must have 2 years of experience in working with large datasets, data pipelines, and AI models; and. Alternatively, will accept a Master’s degree or equivalent in Engineering, Computer Science, Data Analytics, Information Systems, or related and 2 years of related.

Washington, DC24 days ago

Full-time
Employee

This role requires proven ability to navigate federated governance structures, engage senior stakeholders (e.g., judges, clerks, prosecutors), and drive delivery across loosely coupled systems spanning the judicial and law enforcement domains. You will be part of a mission-driven team helping the U.S. Courts and the Department of Justice (DOJ) achieve transformative outcomes that strengthen enterprise governance, modernize digital systems, and improve the user experience across the federal judiciary and law enforcement domains.

Washington, DC30+ days ago

$155,000–$205,000 Per Year
Full-time
Employee

We're seeking a strategic, client-focused, and technology-driven services leader who thrives at the intersection of mission enablement and innovation-someone who understands both federal procurement dynamics and modern technology transformation (cloud, data, artificial intelligence, CRM tools). From strategy through delivery, our agile teams across 52 offices in 12 countries collaborate with clients to bring powerful customer experiences, innovative ways of working, and new products and services to life.

Washington, DC29 days ago

Full-time
Employee

We're seeking a strategic, client-focused, and technology-driven services leader who thrives at the intersection of mission enablement and innovation-someone who understands both federal procurement dynamics and modern technology transformation (cloud, data, artificial intelligence, CRM tools). * Lead and expand Slalom's presence across multiple DHS components; serve as a trusted advisor with deep expertise in at least one component (CBP, FEMA, USCIS, USCG, ICE, TSA, USSS, or CISA).

Herndon, Virginia30+ days ago

$104,000–$166,000 Per Year

As the worlds leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Deep working knowledge of RMF/ATO processes, NIST SP 800‑53 controls, DISA STIGs/SRGs, vulnerability management, and eMASS evidence workflows.

New!

Washington, Washington, DC2 days ago

Our expertise spans four core technology domains—Network Modernization, Hybrid Cloud, Cybersecurity, and Enterprise IT—empowering our clients with cutting-edge solutions tailored to their evolving needs. Experience supporting programs that operate hundreds of low-, moderate-, and high-impact on-premises and cloud (Azure/AWS) systems across unclassified and classified environments.

Herndon, VA30+ days ago

This is a critical role within the SAP NS2 Security Team, supporting compliance, operational security, and information security activities across a diverse customer base, including the Defense Counterintelligence and Security Agency (DCSA), the Department of Defense (DoD), members of the U.S. Intelligence Community, other U.S. Government entities, international clients, and commercial partners within a FOCI mitigated business environment. The successful candidate for this position will support efforts for interpreting policies, developing and implementing security plans and procedures, and monitoring communication associated with our German parent company in accordance with applicable federal regulations, including the National Industrial Security Program Operating Manual (NISPOM), 32 CFR Part 117, and the organization’s Foreign Ownership, Control, or Influence (FOCI) mitigation instruments (e.g., Proxy Agreement or Special Security Agreement).

Washington, Washington, DC9 days ago

Remote

$125,000–$135,000 Per Year

This role will be the team lead for a technical ISSO team and will be responsible for supervising the team’s tasks of researching, generating, and validating security controls that support the customers’ Risk Management Framework (RMF) and ICD 503 Security Accreditation. Responsibilities include defining, creating, and maintaining Systems Security Plans (SSP) supporting Accreditation and Authorization (A&A) reviews and coordinating with customer security organizations as part of a delivery pipeline to achieve Authority to Operate (ATO) and maintain system readiness.

Ashburn, Virginia30+ days ago

The Contractor shall identify the ISSO positions, as key personnel, to be the Designated Person(s) assigned to one or more existing FISMA Systems of Record as well as new IT Systems that are slated as new work products to develop an Authority to Operate (ATO) and follow-on Continuous Monitored system. Due to the importance of keeping system(s) updated to meet FISMA guidelines, while supporting DHS/CISA directives around limiting vulnerabilities, the ISSO role is of upmost importance throughout its lifecycle.

Washington, DC30+ days ago

Full-time

We are seeking a Senior Cloud ISSO to carry out the following duties and responsibilities: Services to support IS Security performed by the Senior Cloud Information System Security Officer (ISSO) at a minimum, shall consist of to the following activities: Ensure the day-to-day implementation, oversight, continuous monitoring, and maintenance of the security configuration, practices, and procedures for each IS. The contract’s support functions are: IA Management, Federal Information Security Management Act (FISMA) coordination and reporting, Risk Management Framework (RMF) application, IA compliance measurements and metrics, Assessment and Authorization (A&A), Vulnerability Management, and Cyber Defense support.

Columbia, MD8 days ago

$150,000–$200,000

This role provides oversight and enforcement of enterprise security policies while guiding ISSO teams across secure environments. Clearance Required: Active TS/SCI with Full Scope Polygraph (Maryland Customer).

McLean, VA30+ days ago

$286,200–$326,700 Per Year

Lead a team of Product Security advisory professionals, responsible for Divisional cyber strategy integration and execution, identification and management of risk for top business initiatives and technology platforms, threat and vulnerability management, incident management, supply chain cyber risk management, cyber risk oversight and reporting. Plays a key leadership role within Cyber’s community of leaders, drives innovation activity as an outcome; partner extensively with other Cyber and Technology organizations to derive solutions enabling industry leading products.

New!

Washington, DC1 day ago

Knowledge Management, Inc. participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S. If E-Verify cannot confirm that you are authorized to work, KMI is required to give you written instructions and an opportunity to contact Department of Homeland Security (DHS) or Social Security Administration (SSA) so you can begin to resolve the issue before the employer can take any action against you, including terminating your employment. KMI is a Minority Business Enterprise (MBE) and Small Disadvantage Business (SDB) that specializes in Logistics, Warehouse Services, Distance Learning/Training, Enterprise Solutions, Financial Management Support, Program Management, Intelligence Analysis & Threat Assessment, and Data Analytics/Operations Research.

Washington, DC30+ days ago

Full-time

Senior Information Systems Security Officer (ISSO-S) Location: Fort Meade, MD This role requires an Active Top Secret/SCI with Polygraph and begins immediately. Conduct risk assessments and vulnerability scans (ACAS, SCAP, STIGs); manage POA&Ms; oversee configuration and change control.

New!

Washington, DC1 day ago

New!

Washington, DC1 day ago

Annapolis Junction, MD30+ days ago

Full-time

The program 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 (ISS). Provide support for Information Assurance Vulnerability Alerts (IAVAs) management (initiating IAVA responses and system security scans, completing remediation, extending IAVA patches and security updates to designated sites, etc.).

New!

Quantico, VA3 days ago

The Senior Security Specialist / Program Manager leads daily security and access control operations while providing program oversight and hands‑on support in a high‑security federal environment. Must have knowledge of a variety of computer software applications in word processing, spreadsheets, database, (MSWord, Excel, Access, PowerPoint), and Outlook.

Washington, DC23 days ago

The Senior Security Operations Analyst monitors, detects, and responds to cybersecurity threats to protect the National Indian Gaming Commission's systems, networks, and sensitive data. We are seeking a Senior Security Operations Analyst to provide on-demand Cybersecurity and IT services to support the National Indian Gaming Commission (NIGC) mission at the NIGC Headquarters in Washington, D.C. I've never heard of Terrestris.

Chantilly, Virginia25 days ago

Overview: AMERICAN SYSTEMS is seeking a Senior Information System Security Officer (ISSO) to manage RMF execution, authorization, and continuous monitoring for hybrid on‑premises and cloud systems supporting classified government missions in Chantilly, VA. This role is ideally suited for a security leader who is detail‑oriented, highly organized, and confident guiding system owners and engineers through RMF execution, authorization decisions, and ongoing compliance in classified environments.

Arlington, VA30+ days ago

Provide security architecture and engineering expertise across agency initiatives to ensure a secure enterprise encompassing internal systems, cloud services, and external/third-party service provider systems. The Senior Cybersecurity Architect provides expert-level security architecture and design support for the unique research and development ecosystem at the Defense Advanced Research Projects Agency (DARPA).

Arlington, VA30+ days ago

$110,000–$170,000 Per Year
Full-time

Ability to manage users on both Windows and Linux environments, role-based access control (RBAC), security policies (GPO’s, SELinux, etc.), domain management (Active Directory, DNS, File Server, etc.), STIG/hardening actions, Troubleshooting (Event Viewer, top, netstat, systemctl, etc.). At IDT, our employees are developing advanced mission-critical outcomes by consistently delivering high-quality results, fostering innovation, applying rigorous problem-solving, and communicating effectively across multifaceted teams and stakeholders.

New!

Washington, DCToday

The Senior Security Architect will lead the development of secure solutions, provide technical guidance on security design, and collaborate with stakeholders to integrate advanced security controls across complex environments. The Senior Security Architect is responsible for designing, implementing, and maintaining enterprise-level cybersecurity architectures that protect federal systems and data.

Resume Resources

Free Resume Templates Free Resume Builder

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.

Senior Security Jobs in Oxon Hill, MD

Jobs

Sr. Information Security Architect(AWS)///Inperson interview requiredKey Business Solutions, Inc.

National Security Senior Associate Attorney (DC)Pernini Recruiting Company

Senior Cloud Security Specialist - OnsiteViva USA Inc.

Army - Senior Program Manager (Arlington, VA)Integrated Data Services

Senior Google AI EngineerCredence

Senior Operations ManagerCredence

Senior Capture ManagerCredence

Senior Python Full Stack EngineerVaco LLC

Senior Training and Technical Assistance ManagerCredence

Senior Grants & Monitoring ManagerCredence

Senior Data and Systems ManagerCredence

Senior Communications ManagerCredence

Senior AFSIM AnalystJohns Hopkins Applied Physics Laboratory (APL)

Senior Engineer / Analyst for ISRT & BMC2 ApplicationsJohns Hopkins Applied Physics Laboratory (APL)

Air Force - Senior Account Manager (Arlington, VA)Integrated Data Services

Senior Embedded Systems & Hardware-in-the-Loop EngineerJohns Hopkins Applied Physics Laboratory (APL)

Senior System Administrator IIIVarada Consulting

Senior Reverse Engineer / Cyber Capability EngineerJohns Hopkins Applied Physics Laboratory (APL)

Senior ServiceNow Business AnalystCapgemini Government Solutions

Sr. ETL/SQL EngineerCapgemini Government Solutions

Senior Data Analytics ConsultantCapgemini Government Solutions

FT Senior Sales Associate Store 010Music & Arts

Senior Program AnalystBering Straits Native Corporation

ORSA Instructor/FacilitatorCalibre Systems

Executive Vice President, Sector Manager – Air-Sea Forces Support (ASFS) SectorDCS Corporation

Senior Oracle DBASoftware Information Resource Corp

Senior Software Development Engineer (Multiple Positions), WAS302109Tesla, Inc.

Justice (DOJ) Account Leader - Director / Senior DirectoRSlalom LLC

Client Partner - US Department of Homeland Security (DHS)Slalom LLC

Deputy Department of Homeland Security (DHS) LeadSlalom LLC

Information System Security Officer (ISSO), SeniorPeraton

Sr. Information Systems Security Officer (ISSO)Tyto Athene, LLC

SAP NS2 Sr. Security Officer - Herndon, VA Active TS clearanceSAP

Senior Information System Security Officer (ISSO) SupportTyto Athene, LLC

Senior Information Systems Security Officer (ISSO)Akima, LLC

Cloud Information System Security Officer (ISSO) - Senior Level (TS required, eligible for SCI) -RedTrace Technologies Inc

Senior Information Systems Security Officer - ( TS/SCI FS Poly Required)Gables Search Group

Sr. Director, Information Security Officer (Global Payment Networks)Discover Financial Services

Sr. Information Systems Security Officer (Division Support)Knowledge Management, Inc.

Senior Information Systems Security Officer (ISSO-S)Metasys Technologies, Inc.

Sr. Information Systems Security Officer (Cloud)Knowledge Management, Inc.

Sr. Information Systems Security OfficerKnowledge Management, Inc.

Senior Information Systems Security Officer (ISSO)Belay Technologies

Senior Security Specialist/PMChenega Corporation

Senior Security Operations AnalystTerrestris Global Solutions

Information System Security Officer (ISSO), Senior (On-Prem & Cloud)AMERICAN SYSTEMS

Senior Security ArchitectChenega Corporation

Senior Information Systems Security OfficerInnovative Defense Technologies (IDT)

Senior Security ArchitectEvolver

Resume Resources