10,939 Results for

Senior Security Jobs in Montpelier, MD

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Information Systems Security Officer - TS/SCI w/Poly GD Information Technology

Annapolis Junction

To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.

2 days ago

Security Officer - On Call Ingleside at Home

Lake Ridge, VA

$18.36–$22.95 / hour

Incumbent should be able to apply common sense understanding to carry out instructions furnished in written and oral form, possess high-quality verbal and written communication ability, strong customer service skills, and be available at all times. Job Requirements: High school diploma or general education degree (GED), six (6) months to one (1) year of security experience with unarmed security certification required; or equivalent combination of education and experience.

30+ days ago

Information Systems Security Officer Spear AI

Bolling AFB, District of Columbia

We are seeking an Information Systems Security Officer to provide senior-level cybersecurity leadership and oversight across all information systems supporting the program, serving as the authoritative subject matter expert on security policy, risk management, and compliance within the Intelligence Community. We’re a small team wearing many hats, and you’d have a wide variety of responsibilities that include: Serve as the senior security authority for all program information systems, providing oversight to ISSOs and security staff.

30+ days ago

Senior Incident Response Analyst Peraton Inc

$104,000–$166,000 / year

Coordinate evidence handling and chain of custody, communications, escalation, and reporting; produce post-incident reports and lessons-learned; engage the digital forensics examiner when a matter requires formal forensic examination or evidence for legal, HR, or privacy proceedings. Peraton Labs is hiring a Senior Incident Response Analyst to lead hands-on incident response for the Covered California and CalHEERS environments, own detection engineering and threat hunting, and serve as backup incident manager in coordination with the client''s Information Security Officer and our Security Services Manager.

30+ days ago

Security Officer - PT Ingleside at Home

Washington, DC

Incumbent should be able to apply common sense understanding to carry out instructions furnished in written and oral form, possess high-quality verbal and written communication ability, strong customer service skills, and be available at all times. Ensures all areas of the community comply with the security, safety and fire requirements set by the District of Columbia investigates instances of property loss and/or disturbances; writes thorough report of findings and sends to Security Manager.

30+ days ago

Unarmed Security Guard Fidelity Protective Services

Elkridge, Maryland

$18.50–$19 / hour

As a Flex Part-Time Security Officer, you can build a schedule that works for you by picking up available shifts and gaining exposure to different sites and roles within our organization. Fidelity Protective Services, LLC is committed to providing superior security protection with exceptional service at an affordable cost.

30+ days ago

DevOps Cyber Systems Security Engineering Senior Lockheed Martin Corp

Hanover, MD

$110,300–$204,900 / year

You are ready to perform system administration, maintenance, upgrades, installation, test, integration, and configuration of VLP / LF / MF / HF / VHF / UHF / Radio Spectrum Frequencies, collection, and geo‑location systems and software - including prototypes, development builds, operational‑testing units, test rigs, and laboratory‑environment products. By leveraging your expertise in instructional design and technical training, you will play a critical role in enhancing the operational readiness of our Cyber & Intelligence teams and ensuring the success of high-stakes national security missions.

30+ days ago

Cyber Systems Security Engineering Sr - E3 Lockheed Martin Corp

Hanover, MD

$110,300–$204,900 / year

You will be the one to perform system administration, maintenance, upgrades, installation, test, integration, and configuration of VLP / LF / MF / HF / VHF / UHF / Radio Spectrum Frequencies, collection, and geo‑location systems and software - including prototypes, development builds, operational‑testing units, test rigs, and laboratory‑environment products. By leveraging your expertise in instructional design and technical training, you will play a critical role in enhancing the operational readiness of our Cyber & Intelligence teams and ensuring the success of high-stakes national security missions.

24 days ago

Cyber Systems Security Engineering Senior - E3 Lockheed Martin Corp

Hanover, MD

$110,300–$204,900 / year

24 days ago

Senior Operations Facilitation Manager Guidehouse

Tysons Corner, Virginia

The Senior Operations Facilitation Manager for Regional and State, Local, Tribal, and Territorial Partnerships will serve as a strategic advisor and coordination lead across regional partners, state, local, tribal, and territorial organizations, government cybersecurity stakeholders, technical teams, and other operational partners. The successful candidate will combine consulting, facilitation, and stakeholder-engagement skills with substantive experience in cyber threat intelligence, security operations center processes, cyber incident response, and intergovernmental cyber defense collaboration.

21 days ago

Sr. Contracts Specialist Guidehouse

Bethesda, Maryland

Compensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs. Leverage expertise in negotiation, handle multiple priorities effectively, work with a wide variety of technical and project management staff, and apply knowledge of risk assessments and federal procurement topics.

30+ days ago

Senior Internal Controls, Audit Remediation, Readiness, and Risk Management Consultant Guidehouse

Tysons Corner, Virginia

Demonstrates proven thorough abilities in the following areas: Internal control assessments; Entity level controls, risk management, and fraud risk assessments; Supporting management control programs; Understanding deficiencies communicated by the auditor, tracking audit PBC requests, responding to audit requests, developing corrective action plans, and executing remediation with a focus on internal controls over financial reporting and management financial statement assertions; and, Implementing the revised OMB Circular A-123, Appendix A. Demonstrates the ability to understand client needs, participate within a team environment, and communicate throughout internal and external network in a manner that allows for successful execution of tasks. Evaluating internal controls over financial reporting (ICOFR) and internal controls over operations in line with OMB Circular A-123 for a range of financial and business process areas, to including performing end-to-end walkthroughs of business processes, documenting business processes and controls, testing the design and operating effectiveness of internal controls, and reporting on deficiencies.

30+ days ago

Senior Program Manager Leidos Holdings Inc.

Annapolis Junction, MD

$154,050–$278,475 / year

You will lead execution on a large, nationally significant mission-critical Identity, Credential, and Access Management (ICAM) / Identity and access management (IdAM) contract within the SIGINT Solutions Division, providing program management, program security administration, and oversight. Our talented team is at the forefront in Mission Software, Security Engineering, Computer Network Operations (CNO), Offensive Cyber, Artificial Intelligence, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.

30+ days ago

Senior Program Manager Analytica

Bethesda, MD

Analytica is seeking a Senior Program Manager to lead as the single point of accountability a complex, large program (over 100+ staff) to support the modernization, operation, and sustainment of a mission critical, public facing application for a homeland security client. This role is responsible for overall contract compliance and technical direction, leading multiple Agile DevSecOps teams in an AWS cloud environment that integrates AI/ML, data analytics, entity resolution, access management, and biometric-capture capabilities.

10 days ago

Senior Cybersecurity Project Manager CDO Technologies Inc

Washington, DC

The Senior Cybersecurity Project Manager serves as the primary leader and single point of contact for the Contracting Officer and the Contracting Officer's Representative for all work performed under this contract. Required Experience: A minimum of 15 years of demonstrated experience successfully managing IT or cybersecurity projects of similar size, scope, and complexity.

30+ days ago

Senior Business Development Director, DoD Noda Ai

Washington, District of Columbia

Remote

Export Control Compliance To conform to U.S. government export control regulations, including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR), you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or otherwise eligible to obtain the required authorizations from the U.S. Department of State or U.S. Department of Commerce. Our Business Development team plays a critical role in shaping how autonomous systems are adopted across the defense enterprise, influencing requirements before they are written, shaping acquisition strategies before they are released, and accelerating the transition of next-generation autonomy capabilities from concept to operational deployment.

8 days ago

Program Manager (Senior), Federal WCF IT Financial Management - DOT BizFirst

Washington, District of Columbia

Lead a nine-person delivery team supporting the financial management of DOT's IT shared-services Working Capital Fund: cost model development and modernization, systems integration and automation, monthly billing and revenue management, customer transparency reporting, data analytics, and financial operating-model support across nine contract functional areas. This position supports the following program: U.S. Department of Transportation (DOT), Office of the Secretary (OST), Working Capital Fund (WCF), Office of Financial Management (OFM) — WCF IT Financial Management, Cost Model Development, and Systems Integration Support.

30+ days ago

Senior Contracts Manager - International Saronic Technologies Inc

Arlington, VA

Support FMS transactions by interfacing with U.S. Government stakeholders (DSCA, implementing agencies, program offices, and Department of State), reviewing and responding to Letters of Request (LOR), and supporting the development, pricing inputs, and execution of Letters of Offer and Acceptance (LOA) and related FMS case documentation. You will partner closely with internal stakeholders (Programs, Finance, Legal, Compliance, Proposals, and Growth) and external counterparts-- including foreign government procurement authorities, U.S. Government, and in-country partners-- to ensure compliant, commercially sound, and risk-aware contract execution.

30+ days ago

Senior R&D Financial Analyst Noblis

Washington, Washington, DC

$86,800–$135,625 / year
Full time

Within S&T, HSARPA executes Research, Development, Test and Evaluation (RDT&E) to transition solution approaches, technologies, and knowledge products in support of DHS Component customers including U.S. Coast Guard (USCG), Transportation Security Administration (TSA), Customs and Border Protection (CBP), U.S. Secret Service, the Federal Emergency Management Agency (FEMA), Immigration and Customs Enforcement (ICE), the Cybersecurity and Infrastructure Security Agency (CISA), Federal, State, Local Tribal and Territorial (FSLTT) first responders, and the larger Homeland Security Enterprise (HSE). Serve as the primary HSARPA Financial and Budget Team point of contact for an HSARPA technical division providing relevant updates regarding the status of funding, guidance related to execution of funds, and assistance completing budget and finance related taskers including Resource Allocation Planning (RAP), Spend Plan development, and Congressional and Office of Management and Budget Justifications (CJ and OMBJ respectively).

30+ days ago

Senior Linux Systems Admin (UiPath) Leidos

Alexandria, VA

$116,350–$210,325 / year

The Digital Modernization Sector at Leidos is seeking a dynamic Sr Linux Systems Administrator to support cloud modernization initiatives for the United States Coast Guard (USCG) at Command, Control, Communication, Computer, Cyber, and Intelligence Service Center (C5ISC) in the Alexandria, VA area. July 21, 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.

13 days ago

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Senior Security Jobs in Montpelier, MD

Information Systems Security Officer - TS/SCI w/Poly GD Information Technology

Security Officer - On Call Ingleside at Home

Information Systems Security Officer Spear AI

Senior Incident Response Analyst Peraton Inc

Security Officer - PT Ingleside at Home

Unarmed Security Guard Fidelity Protective Services

DevOps Cyber Systems Security Engineering Senior Lockheed Martin Corp

Cyber Systems Security Engineering Sr - E3 Lockheed Martin Corp

Cyber Systems Security Engineering Senior - E3 Lockheed Martin Corp

Senior Operations Facilitation Manager Guidehouse

Sr. Contracts Specialist Guidehouse

Senior Internal Controls, Audit Remediation, Readiness, and Risk Management Consultant Guidehouse

Senior Program Manager Leidos Holdings Inc.

Senior Program Manager Analytica

Senior Cybersecurity Project Manager CDO Technologies Inc

Senior Business Development Director, DoD Noda Ai

Program Manager (Senior), Federal WCF IT Financial Management - DOT BizFirst

Senior Contracts Manager - International Saronic Technologies Inc

Senior R&D Financial Analyst Noblis

Senior Linux Systems Admin (UiPath) Leidos

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