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Senior Security Jobs in Montpelier, MD

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Senior Ab Initio Developer Credence

McLean, VA

$130,000–$160,000 / year
Quick Apply

Experience building integrations across APIs, legacy systems, and heterogeneous data sources, with the ability to troubleshoot performance issues and optimize large-scale ETL workflows. This role is well suited to someone who enjoys working across complex data environments, partnering with technical and business stakeholders, and contributing to solutions where reliability, performance, and quality matter.

30+ days ago

Senior Oracle Database Enterprise Architect System One

Merrifield, VA

$125,000–$135,000 / year
Quick Apply

Experience 10+ years of IT experience, with significant experience in enterprise architecture, solution architecture, or Oracle database architecture. System One IT is staffing a direct-hire opening for a Senior Oracle Enterprise Architect with a respected systems integrator, supporting a civilian federal end-customer.

30+ days ago

Senior Specialist, Federal ServiceNow Developer KPMG

Washington, DC

If you're looking for a firm with a strong team connection where you can be your whole self, have an impact, advance your skills, deepen your experiences, and have the flexibility and access to constantly find new areas of inspiration and expand your capabilities, then consider a career in Advisory. These include the duties and responsibilities listed above, as well as the abilities to adhere to company policies, exercise sound judgment, effectively manage stress and work safely and respectfully with others, exhibit trustworthiness, and safeguard business operations and company reputation.

30+ days ago

Senior Full Stack Developer – (React, Node, AWS & Agentic AI) Dev Technology Group

Reston, VA

$116,000–$190,000 / year

As a Washington Post Top Workplace award winner for the past THIRTEEN years in a row, the Top Workplaces USA for the past five years, and a recipient of the Companies As Responsive Employers (CARE) Award for the past six years, Dev Technology employees enjoy: Generous and flexible time-off policy. Use AI-powered development tools such as Kiro, Amazon Q Developer, GitHub Copilot, or similar agentic AI environments for code generation, refactoring, testing, and specification-driven development.

30+ days ago

Senior Family Law Paralegal Blattner Family Law Group

Towson, MD

$75,000–$95,000 / year
Quick Apply

Draft, review, and edit legal documents, including pleadings, contracts, subpoenas, complaints, interrogatories, discovery requests, legal briefs, affidavits, and correspondence under the supervision of a lawyer. Assist attorneys in preparing for trials, hearings, and depositions by organizing exhibits, coordinating witnesses, filing motions, and conducting research on legal articles.

2 days ago

Senior Litigation Paralegal Page Group

District of Columbia, DC

$110,000–$130,000 / year
Full time

This position offers the opportunity to work alongside top-tier attorneys on high-profile matters while taking ownership of sophisticated filings, trial preparation, legal research, and case management. The Senior Paralegal will play a critical role supporting complex commercial litigation, securities matters, and government investigations from discovery through trial.

3 days ago

Security Researcher II and Senior Security Researcher (Multiple Positions) Microsoft Corp

Reston, VA

$102,100–$202,200 / year

We are looking for someone who is passionate about this work to help us harness the power of Microsoft's trillions of security signals to quickly identify and report the latest human adversary behaviors, drive critical context-rich alerts, build new tools and automations in support of hunting objectives, and drive innovations for detecting advanced attacker tradecraft. Required Qualifications: Masters Degree in Statistics, Mathematics, Computer Science, Computer Security, or related field AND 1+ year(s) experience in software development lifecycle, large-scale computing, threat analysis or modeling, cybersecurity, vulnerability research, and/or anomaly detection.

8 days ago

Senior Security Manager, Senior Executive Services, Leadership Support Services Google LLC

Washington D.C., DC

In addition, you will be expected to cultivate and maintain working relationships with all internal stakeholders, administrative staff, government agencies, and third-party vendors to effectively manage and drive crisis communications; develop written materials and content to efficiently relay critical information to all stakeholders, conduct security advances and facilitate protective services, facilitate personal security vulnerability assessments and ensure quality control of all services rendered while tracking program performance. From keeping Googlers safe and secure to managing disruptive events, the ability to anticipate, deter, detect, and act are the pillars of Google's Global Security and Resilience Services (GSRS) team.

15 days ago

Senior Information Systems Security Officer (Sr. ISSO) - TS/SCI with Poly required Emtak

Annapolis Junction, Maryland

DoD 8570/8140 compliance with IAM Level II or IAT Level III , such as CISSP/Associate, CASP+/SecurityX, or another applicable DoD-approved certification. The ideal candidate will have a strong background in RMF, security documentation, authorization activities, continuous monitoring, and security compliance , along with the ability to work independently with technical teams and government stakeholders.

30+ days ago

Senior Security Engineer, Trust and Safety, Intel Security Engineering Google LLC

Washington D.C., DC

Outside of active incidents, they will work to improve D&R readiness, including building and maintaining playbooks and escallation processes, ensuring appropriate detection coverage, and exercising incident management processes through tabletop exercises. The Senior Security Engineer, Trust and Safety (T&S) Intel Security Engineering leads Detection and Response for severe GenAI-related security incidents impacting third-party users, customers, and the general public.

9 days ago

Senior Security Engineer-Network Security Assessment & Post-Quantum Cryptography (PQC) - Hybrid ATD Technology LLC

Suitland, MD

$180,000–$230,000
Quick Apply

Analyze cryptographic implementations key-exchange, digital-signature, and cipher-suite selections; certificate and PKI dependencies; key management and HSM integration; and FIPS 140-2/140-3 validated modules to identify components that rely on quantum-vulnerable public-key algorithms (RSA, Diffie-Hellman, ECDH, ECDSA). Assess the impact of PQC requirements on network implementations, including larger keys and signatures affecting packet size, fragmentation, MTU, and handshake latency; hardware, ASIC, and crypto-accelerator constraints; hybrid key-establishment options; and certificate-chain and protocol interoperability.

3 days ago

Offshore Sr. GRC Analyst / Sr. ISSO (Information System Security Officer) Consultant | CMMC IBSS Corporation

Silver Spring, MD

Remote

Quick Apply

The ideal candidate must be capable of independently developing and maintaining System Security Plans (SSPs), identifying documentation and evidence deficiencies, and coordinating directly with stakeholders to request corrected or additional artifacts as needed. If you require reasonable accommodation in completing this application, interviewing, completing any pre-employment testing, or otherwise participating in the employee selection process, please direct your inquiries to the Talent Acquisition department at Recruiting@ibsscorp.com.

30+ days ago

Industrial Security Team Lead / Senior Facility Security Officer (Fso) Galois, Inc.

Arlington, VA

With clients including DARPA, NASA, AWS, and the DoD / DoW, we leverage our cutting-edge research to deliver high assurance solutions and tools that enhance security, reliability, and operational efficiency across sectors including aerospace & defense, healthcare, semiconductors, and fintech. In this role, you'll oversee compliance with the National Industrial Security Program Operating Manual (NISPOM), DD254 requirements, Program Classification Guides, and other customer security requirements while continuously improving security processes, risk management practices, and operational effectiveness.

30+ days ago

Senior Security Consultant, Global Proserve Security Amazon.com Inc

Arlington, VA

The ideal candidate is a highly skilled technical security professional with the ability to coach and guide executive security and cloud leaders in their journey, addressing topics such as security strategy and optimizing cloud security operations while being able to dive deep into AWS security technology. As a Senior Security Consultant, you'll work closely with customers to design, implement, and automate solutions in AWS to protect customer assets, enable customer security teams to operate more effectively, and ensure customers don't accept unnecessary risk.

30+ days ago

Senior Security Engineer, AWS Human Access Security Amazon.com Inc

Arlington, VA

As the Senior Security Engineer embedded with an AHAS software development team, you own the security design decisions for the operator-access tooling this team builds - tooling that engineers across AWS depend on to request, scope, and audit their access. Drive design decisions that lower access risk by default: scoped and time-bound credentials, reviewed privilege elevation, and auditable emergency access, so systems stay secure without depending on operator discipline.

30+ days ago

Sr. Security Engineer, Proactive Security Amazon.com Inc

Arlington, VA

AWS Security is on the innovation of many security issues for a wide variety of platforms and technologies including cloud services, Internet of things (IoT), identity and access management, mobile devices, virtualization and custom hardware, all operating at massive scale. We offer talented security professionals the chance to accelerate their careers with opportunities to build experience in a wide variety of areas including cloud, devices, retail, entertainment, healthcare, operations, and physical stores.

26 days ago

Senior Security Governance and Policy Analyst CDO Technologies Inc

Washington, DC

Since 1995, CDO Technologies has delivered the best solutions for unique business problems in the commercial and federal sectors ranging from Asset Management to IT Services. This position uses comprehensive knowledge of Federal, DHS, and Intelligence Community cybersecurity policies and guidance to navigate complex cloud and on-premise environments.

30+ days ago

Sr Security Engineer, Network, Leo Security Amazon.com Inc

Arlington, VA

When you"re not responding to active events, you will be evaluating Leo"s network security posture end-to-end: identifying architectural weaknesses, proposing new detection initiatives, and driving cross-team programs that raise the bar across every site type. Amazon Leo is a constellation of Low Earth Orbit satellites that will provide low-latency, high-speed broadband network connectivity to unserved and underserved communities around the world.

30+ days ago

Project Senior Consultant, Forensics and Investigations, Senior Program Security Officer Deloitte Touche Tohmatsu Ltd

$97,700–$162,800 / year

Serving federal, state, & local government clients as well as public higher education institutions, our team of professionals brings fresh perspective to help clients anticipate disruption, reimagine the possible, and fulfill their mission promise. This compensation range is specific to McLean, VA and takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs.

30+ days ago

Senior Information System Security Officer Sharp Solutions Inc

Washington, DC

Full time
Quick Apply

Authority to Operate and Interim Authority to OperateSupport the planning, preparation, coordination, and maintenance of the security documentation required to obtain and maintain an ATO.Support achievement of an IATO when required prior to obtaining the full ATO.Ensure authorization activities and supporting documentation comply with DHS MD 4300A and applicable DHS cybersecurity requirements. Senior Information System Security Officer (ISSO) / POA&M Remediation and Compliance SpecialistPosition SummaryThe Senior Information System Security Officer (ISSO) / POA&M Remediation and Compliance Specialist will provide senior-level cybersecurity, risk management, and compliance support for the Acquisition Systems Branch's PRM2 solution.

6 days ago

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Senior Security Jobs in Montpelier, MD

Senior Ab Initio Developer Credence

Senior Oracle Database Enterprise Architect System One

Senior Specialist, Federal ServiceNow Developer KPMG

Senior Full Stack Developer – (React, Node, AWS & Agentic AI) Dev Technology Group

Senior Family Law Paralegal Blattner Family Law Group

Senior Litigation Paralegal Page Group

Security Researcher II and Senior Security Researcher (Multiple Positions) Microsoft Corp

Senior Security Manager, Senior Executive Services, Leadership Support Services Google LLC

Senior Information Systems Security Officer (Sr. ISSO) - TS/SCI with Poly required Emtak

Senior Security Engineer, Trust and Safety, Intel Security Engineering Google LLC

Senior Security Engineer-Network Security Assessment & Post-Quantum Cryptography (PQC) - Hybrid ATD Technology LLC

Offshore Sr. GRC Analyst / Sr. ISSO (Information System Security Officer) Consultant | CMMC IBSS Corporation

Industrial Security Team Lead / Senior Facility Security Officer (Fso) Galois, Inc.

Senior Security Consultant, Global Proserve Security Amazon.com Inc

Senior Security Engineer, AWS Human Access Security Amazon.com Inc

Sr. Security Engineer, Proactive Security Amazon.com Inc

Senior Security Governance and Policy Analyst CDO Technologies Inc

Sr Security Engineer, Network, Leo Security Amazon.com Inc

Project Senior Consultant, Forensics and Investigations, Senior Program Security Officer Deloitte Touche Tohmatsu Ltd

Senior Information System Security Officer Sharp Solutions Inc

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