3,043 Results for

Senior Security Jobs in Oxon Hill, MD

Jobs

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.

Columbia, MD7 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).

Washington DC, DC25 days ago

Remote

$157,675–$265,000 Per Year

We’re seeking a talented Senior Security Engineer with hands-on experience deploying, managing, leading and performing Threat Models In this role, you’ll work alongside technical product managers and engineers across the company to maintain Samsara’s security and de-risk software security concerns to better protect our customers. Working at Samsara means you’ll help define the future of physical operations and be on a team that’s shaping an exciting array of product solutions, including Video-Based Safety, Vehicle Telematics, Apps and Driver Workflows, and Equipment Monitoring.

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.

New!

Falls Church, VA2 days ago

Experience: 8+ years in a technical Cybersecurity Engineering role, with at least 4 years focused on large-scale cloud or hybrid environments, and a portfolio of projects where AI or Machine Learning was directly applied to solve security or operational scaling problems. • API-First Automation: Deep expertise in building "glue code" that connects disparate COTS and custom applications via secure, automated APIs to streamline cross-functional business activities.

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 .

Columbia, MD7 days ago

$180,000–$230,000

She Recruits is representing a Full-Time Senior ISSE to support enterprise-level cybersecurity architecture and Risk Management Framework (RMF) initiatives. This role provides technical security engineering guidance across complex systems and ensures compliance with government security frameworks.

New!

Washington, DCToday

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.

New!

Washington, DC5 days ago

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.

Washington, DC10 days ago

Temporary
Contractor
Full-time

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.

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, 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.

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.

McLean, VA29 days ago

Remote

$286,200–$326,700 Per Year

You will bridge the gap between our innovative product team and the world’s most regulated buying centers—CISOs, Chief Data Officers, and VP Data Engineers—helping them solve the "impossible" paradox: securing sensitive data (PII/PHI) without stifling AI and analytics innovation. At least 5 years of experience in a public facing role ( for example: Technical Evangelist, Field CTO, or Developer Advocate) with a verified portfolio of public speaking and technical content (for example: guides, blogs, white papers, podcasts, webinars).

McLean, VA29 days ago

$182,500–$208,300 Per Year

Currently has, or is in the process of obtaining one of the following with an expectation that the required degree will be obtained on or before the scheduled start date: A Bachelors Degree in a quantitative field (Statistics, Economics, Operations Research, Analytics, Mathematics, Computer Science, Computer Engineering, Software Engineering, Mechanical Engineering, Information Systems or a related quantitative field). We’re building product-led solutions that balance security with productivity: zero-trust authentication that doesn’t interrupt workflow, enterprise software discovery that anticipates associate needs before they ask, and mobile device strategies that respect both corporate security and personal use.

Falls Church, VA14 days ago

Leadership – As the Company grows at a fast pace and potentially consolidates the legal function across both businesses, the legal group will grow and the GC will need to be a strong leader of the group and a very effective recruiter of new talent, manager with the ability to motivate and retain a world-class team. Founded in 1972, based on security designs for the White House, Kastle today serves customers nationwide across commercial real estate, multifamily, and enterprise—from owners and operators to CIOs/CSOs and workplace leaders.

New!

Washinfton, DC4 days ago

Perform customer T2/T3 support activities including assessment of user experience scenarios and identifying resolutions to unique user access issues for Okta integrated applications. Description: Our client is seeking a Consultant SME Senior to provide guidance to IT partners on configuration, debugging, and deployment of tools requiring Identity and Access Management (IAM) integration.

Washington DC, DC11 days ago

Reporting directly to the CIO, this high-impact leadership role will be instrumental in shaping and executing our internal AI strategy and elevating business processes by designing innovative AI-driven solutions to increase productivity, reduce operational overhead, and unlock new value. The ideal candidate brings a strong background in hands-on engineering, technical depth, architectural judgement, business analysis, deep knowledge of emerging AI technologies and a proven ability to translate strategy into scalable, secure, and measurable services that are used across the company daily.

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!

Merrifield, VAToday

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Plan, manage, and execute all aspects of life-cycle projects from inception through implementation, ensuring timely delivery within budget .

New!

Washington, DC4 days ago

Leads a group of engineers, analysts, and/or technicians assigned for the duration of a project or may function as ongoing lead within a group of engineers associated with one or more technical areas within the telecom function (such as, but not limited to, network design, engineering, implementation, or operations/user support). • Ability to develop functional requirements specifications, data mappings, function mapping, setting of configuration tables and setting of transaction/control tables.

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.

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.

Washington DC, DC12 days ago

$260,000–$340,000 Per Year

The role is responsible for all functions in the acquisition process including sourcing/identifying potential investments, financial underwriting and modeling, market analysis, due diligence, leading purchase and sale negotiations with existing asset sellers, leading joint venture agreement negotiations with developers, and preparing materials and presenting investments to the CIO and Investment Committee. Griffin Capital takes into consideration a candidate’s education, training, and experience, as well as the position’s work location, external market and internal value, including seniority and merit systems, and internal pay alignment when determining the salary level for potential new employees.

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.

Washington DC, DC10 days ago

Win-Team Leadership: Coordinate cross-functional teams of internal specialists to lead high-stakes Proof of Concepts (PoCs) and deliver authoritative responses to complex RFI/RFP technical requirements. • Executive Technical Consultation: Partner with C-level stakeholders and Enterprise Architects to articulate the ROI of an "API-First" strategy, focusing on security, scalability, and the productization of data.

New!

Arlington, VAToday

$50–$60 Per Hour

Requirements 10+ years of telecommunications and networking experience with PSTN, VoIP, call centers, IVR, UCaaS, CCaaS, SIP, SBCs, QoS, cloud . Work closely with internal staff (security, network, AD) and managed service providers for solution implementation and issue resolution .

Washington DC, DC10 days ago

Consultative Value Realization: Partner with Account Executives and C-level stakeholders (CDO, CTO) to articulate the business impact of data integrity, moving beyond "point-to-point" integration toward holistic data lifecycle management. • Cross-Functional Influence: Act as the primary subject matter expert (SME) for Data Management within the AMER sales organization, bridging the gap between technical IT requirements and business-driven data governance initiatives.

Washington DC, DC10 days ago

Be a guardian of data quality: You’ll ensure our datasets stay accurate and performant by using our observability tools to monitor quality and joining a weekly triage rotation to resolve data issues as they arise. Recent platform improvements the team has driven include launching a data catalog, introducing data observability, and implementing a medallion architecture to ensure our data is reliable, accurate, and accessible.

New!

Washington, DCToday

The ideal candidate is not only a subject matter expert in BGP, OSPF and VXLANs, but also a well-rounded network engineer who can support day-to-day operations, contribute to security and visibility platforms, and drive innovative improvements across the network. Design, implement, and operate modern data center fabrics (spine-leaf, VXLAN/EVPN) including integration with cloud and virtual infrastructure platforms with a focus on stability, scalability, and operational simplicity .

New!

Washington, DCToday

$200,000–$200,000 Per Year

This role is ideal for a senior engineer who thrives in complex Kubernetes environments, with the ability to design, operate, and optimize large-scale container platforms while supporting modern application architectures. We are seeking a highly experienced Senior Kubernetes Engineer / Platform Administrator to lead the design, deployment, and sustainment of containerized application platforms.

Alexandria, VA13 days ago

$150,000–$170,000 Per Year

This role typically supports sensitive government operations requiring strict adherence to security protocols, rapid problem-solving, and the ability to maintain secure communications under demanding conditions. A Senior CSfC Cybersecurity Engineer focuses on creating, deploying, and maintaining NSA-compliant secure communication solutions using layered commercial products.

Bethesda, MD9 days ago

$80,000–$95,000 Per Year

System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Requirements Minimum of 5+ years of IT support experience, including at least 2 years in a supervisory or lead role .

Washington, DC23 days ago

Partner with teams and data stewards to coordinate and perform various audits and assessments (PIA, DPIA, TIA, AI impact assessment, Data Inventories, etc.) as needed to support privacy by design and AI governance principles, drive operational accountability and ensure ongoing compliance and risk management; Maintain risk registers and risk matrices to support PIMS, etc. 2 years navigating, negotiating, and reviewing commercial agreements involving complex data protection, AI terms, information technology and security schedules, cross border data transfers and operational service levels, technical requirements within large-scale cloud ecosystems (Azure, AWS, Google Cloud, etc.).

Columbia, MD7 days ago

$220,000–$240,000

We are seeking a Full-Time Senior Cybersecurity Engineer to provide cybersecurity engineering leadership and enterprise-level security strategy within highly classified environments. • Master’s degree in Computer Science, Computer Engineering, Computer Forensics, or related field (or Bachelor’s degree plus additional experience).

Ashburn, VA14 days ago

PlatformDIGITAL®, the company’s global data center platform, provides customers with a secure data meeting place and a proven Pervasive Datacenter Architecture (PDx®) solution methodology for powering innovation and efficiently managing Data Gravity challenges. You’ll play a critical role in driving customer success by translating business and technical requirements into engineered solutions, ensuring opportunities progress smoothly while delivering a best-in-class customer experience.

New!

Washington DC, DC4 days ago

Remote

$229,562–$344,342 Per Year

The current base salary range for this position is expected to be between $229,562 and $344,342 annualized; final salary will be determined based on various factors including, but not limited to, years of relevant experience, job knowledge, skills and proficiency, degree/education, and internal comparators. Lead all forecasting efforts, including short-term operational forecasts, long-range planning models, and scenario analyses; ensure assumptions are grounded in robust market and customer data.

Washington DC, DC11 days ago

Remote

$127,219–$190,828 Per Year

Building on the company’s leadership in the field of cellular metabolism, Agios is advancing a robust clinical pipeline of investigational medicines with active and planned programs in alpha- and beta-thalassemia, sickle cell disease, pediatric PK deficiency and MDS-associated anemia. Our teams cultivate strong bonds with patient communities, healthcare professionals, partners and colleagues, which helps us discover, develop and deliver therapies for genetically defined diseases – and make a bigger difference in their lives.

New!

Alexandria, VAToday

$150,000–$180,000 Per Year

Wireless Systems Engineering — Assesses and engineers wireless connectivity solutions across cellular, RF, and related technologies to support high reliability communications. Site Surveys & Measurements — Conducts detailed site surveys, measures signal strength, evaluates RF propagation, and identifies coverage gaps using professional RF test equipment.

New!

Washington DC, DC4 days ago

Remote

$229,562–$344,342 Per Year

The role oversees a high-impact team and partners cross-functionally and externally to drive an integrated publications and scientific communications strategy, translating complex data into compelling evidence that supports clinical adoption, informs healthcare decision-making, and differentiates the company’s portfolio globally. Agios Pharmaceuticals is searching for a dynamic Senior Director, Global Scientific Communications and Publications expert to join our Global Medical Affairs team and lead a high-functioning communications/publications/congress team.

Washington DC, DC25 days ago

Develop AI-powered products and agents that drive revenue pipeline and improve GTM operational efficiency - whether thats enhancing lead scoring models, automating content generation and multi-step GTM workflows, enriching data, or building smarter seller-facing tools. • You want to impact the industries that run our world: Your efforts will result in real-world impact—helping to keep the lights on, get food into grocery stores, reduce emissions, and most importantly, ensure workers return home safely.

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Senior Security Jobs in Oxon Hill, MD

Jobs

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

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

Senior Security Engineer - Threat ModelingSamsara

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

Sr Cloud Security EngineerPlanIT Group

National Security Senior Associate Attorney (DC)Pernini Recruiting Company

Senior ISSE (Information Systems Security Engineer) - (TS/SCI FS Poly Req)Gables Search Group

Sr. Cloud Security Specialist (AWS)System One

Senior Cloud Security Specialist (API) - onsiteSystem One

Senior Cloud Security Specialist - OnsiteViva USA Inc.

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

Senior Google AI EngineerCredence

Senior Python Full Stack EngineerVaco LLC

Senior Operations ManagerCredence

Senior Capture ManagerCredence

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 Director, Field CTO- Capital One Software (Remote)Discover Financial Services

Senior Manager, Product Management- Associate ExperienceDiscover Financial Services

Senior Vice President, Legal - General CounselKastle Systems

SME Consultant Sr. (Okta)PlanIT Group

Senior Director, IT - AI Innovation and ServicesElastic

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

Senior Project ManagerSystem One

Senior SAP DeveloperPlanIT Group

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

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

Senior Vice President, Acquisitions (Multifamily)Griffin Capital

Senior System Administrator IIIVarada Consulting

Senior Presales Solutions Engineer - API ManagementBoomi

Senior Voice EngineerSystem One

Senior Presales Solutions EngineerBoomi

Senior Presales Solutions Engineer - DataBoomi

Senior Data EngineerMozilla

Sr. Network Architect SMESystem One

Senior Kubernetes Engineer / Platform AdministratorSystem One

Senior Cybersecurity Engineer (CSfC Specialist)System One

Senior Help Desk EngineerSystem One

Senior Director, Data Governance & Privacy Operations (GRC)Fti Consulting

Senior Cybersecurity EngineerGables Search Group

Sr. Global Solutions EngineerDigital Realty Trust

Senior Director, Commercial Analytics - RemoteAgios Pharmaceuticals

Senior Manager, Clinical Nurse Educator – Sickle Cell Disease - RemoteAgios Pharmaceuticals

Sr. Cellular / RF EngineerSystem One

Senior Director, Global Scientific Communications and Publications - RemoteAgios Pharmaceuticals

Senior Software Engineer, GrowthSamsara

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