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Keywords: Senior Security Engineer, Location: Arlington, VA

Page: 1

Senior Security Engineer (IAM w/ TS Clearance)

with confidence, and proactively manage to secure success. Work You'll Do The Senior Security Engineer will perform non-standard... information security architecture vulnerabilities, risks, mitigation response, and emerging opportunities. Support...

Company: Deloitte
Location: Rosslyn, VA
Posted Date: 01 Feb 2026
Salary: $97900 - 163100 per year

Senior SaaS Security Engineer

Senior SaaS Security Engineer br Job Description br Overview CoStar Group (NASDAQ: CSGP) is a leading global.... We're hiring a Senior SaaS Security Engineer to help us evolve our corporate environment to enable our mission and help...

Company: CoStar Group
Location: Arlington, VA
Posted Date: 24 Jan 2026

Senior Offensive Security Engineer

Senior Offensive Security Engineer br Job Description br Offensive Security Engineer Overview CoStar Group... available, we provide an invaluable edge in real estate. Evolve our offensive security capabilities to test our internal and external...

Company: CoStar Group
Location: Arlington, VA
Posted Date: 24 Jan 2026

Senior Security Engineer

Senior Security Engineer br Job Description br Overview CoStar Group (NASDAQ: CSGP) is a leading global... for incident response. As the security section grows, so will the tools and the Senior Security Engineer will be the person...

Company: CoStar Group
Location: Arlington, VA
Posted Date: 24 Jan 2026

Network Security Engineer - Senior (w/ active TS)

Network Security Engineer - Senior (w/ active TS) Location: Arlington, VA Clearance: TS/SCI Schedule: TBD Full...-time JOB DESCRIPTION Critical Solutions is seeking an experienced Senior Network Security Engineer to support...

Location: Arlington, VA
Posted Date: 16 Jan 2026

Senior Cyber Security Deception Engineer/Threat Hunter

Responsibilities Peraton is seeking a Senior Cyber Security Deception Engineer/Threat Hunter to become part.... In this role, you will: Work closely with cross-functional teams, including Security Operations, Incident Response, Threat...

Company: Peraton
Location: Arlington, VA
Posted Date: 12 Dec 2025

Senior SaaS Security Engineer

Senior SaaS Security Engineer br Job Description br Overview CoStar Group (NASDAQ: CSGP) is a leading global.... We’re hiring a Senior SaaS Security Engineer to help us evolve our corporate environment to enable our mission and help...

Company: CoStar Group
Location: Arlington, VA
Posted Date: 05 Nov 2025

Senior Network engineer Requires Current US Security clearance

with the restoration of services. Argo Cyber is seeking a motivated network engineer to implement, maintain and support the lab...) and policies. - Assess network topology and device configurations, identify critical security vulnerabilities, and recommend...

Location: Arlington, VA
Posted Date: 30 Jan 2026
Salary: $100000 - 120000 per year

Senior Security Engineer, Global Professional Services Security

Description We're seeking a Security Engineer to design, develop, and implement security solutions that strengthen.... As a Security Engineer at AWS, you'll contribute across multiple domains within Professional Services Security and throughout Amazon...

Company: Amazon
Location: Arlington, VA
Posted Date: 17 Jan 2026

Senior Security Engineer, Global Professional Services Security

Description We're seeking a Security Engineer to design, develop, and implement security solutions that strengthen.... As a Security Engineer at AWS, you'll contribute across multiple domains within Professional Services Security and throughout Amazon...

Company: Amazon
Location: Arlington, VA
Posted Date: 17 Jan 2026

Senior Security Engineer, Global Professional Services Security

Description We're seeking a Security Engineer to design, develop, and implement security solutions that strengthen.... As a Security Engineer at AWS, you'll contribute across multiple domains within Professional Services Security and throughout Amazon...

Company: Amazon
Location: Arlington, VA
Posted Date: 17 Jan 2026

Security Engineer

our customers from increasing threats and vulnerabilities in this digital age. TDI has an immediate need for a Security Engineer... for a customer on a highly visible and strategic Cybersecurity Task Order. The Security Engineer will need to be a self-starter...

Company: TDI Security
Location: Arlington, VA
Posted Date: 09 Jan 2026

Insider Threat Information Systems Security – Senior Data Analyst

breaches. Insider Threat Information Systems Security - Senior Data Analyst will work closely with the Information Security... Insider Threat Information Systems Security - Senior Data Analyst will receive direct government oversight, assignments...

Company: H4 Enterprises
Location: Arlington, VA
Posted Date: 24 Dec 2025

Security Engineer

our customers from increasing threats and vulnerabilities in this digital age. TDI has an immediate need for a Security Engineer... for a customer on a highly visible and strategic Cybersecurity Task Order. The Security Engineer will need to be a self-starter...

Posted Date: 09 Jan 2026

Security Engineer (Wiz and TVM Administrator)

Leidos has an immediate need for a Security Engineer for a customer on a highly visible and strategic Cybersecurity... Task Order. The Security Engineer will need to be a self-starter with excellent analytical and problem-solving skills...

Company: Leidos
Location: Arlington, VA
Posted Date: 26 Nov 2025
Salary: $104650 - 189175 per year

Sr Physical Security Engineer

enterprises. With over 7,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety... Security equipment and systems. Independently and as part of a team, reviews, analyzes, and resolves difficult and complex...

Company: M.C. Dean
Location: Arlington, VA
Posted Date: 28 Jan 2026

Nucleus Security Engineer

management program using the Nucleus Security platform. The ideal candidate will be responsible for the day-to-day operation... are tracked and reported to stakeholders. This role is critical in helping the organization maintain a strong security posture...

Company: Leidos
Location: Arlington, VA
Posted Date: 26 Nov 2025
Salary: $104650 - 189175 per year

Senior Cloud Engineer

, and security. The Security Cloud Engineer will support the design and development of cybersecurity tools and technology..., both of a technical and compliance nature. The senior cloud engineer is expected to tackle difficult technical issues and changes...

Company: TDI Security
Location: Arlington, VA
Posted Date: 02 Jan 2026

Superb BackEnd Software Engineer (2+ years - Senior Level)

Black Cape Title: BackEnd Software Engineer (2+ years - Senior Level) Locations: Arlington, VA, Reston... Secret OR Top Secret SCI Clearance**** ***If you do NOT have a US Citizenship and an Active Security Clearance issued...

Posted Date: 01 Feb 2026

Phenomenal Full Stack Software Engineer (2+ years - Senior Level)

Black Cape Title: Full Stack Software Engineer (2+ years - Senior Level) Locations: Arlington, VA, Reston... Secret OR Top Secret SCI Clearance**** ***If you do NOT have a US Citizenship and a Security Clearance issued...

Company: Black Cape
Location: Arlington, VA
Posted Date: 01 Feb 2026