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Keywords: System (Security) Engineer, Location: McLean, VA

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Security Architect

Security Engineer Architect working across several Task Orders under the DOMEX Technology Platform (DTP) contract supporting... Management Framework to system ATOs across multiple domains. You will lean on your experience with security technologies...

Company: Leidos
Location: Glen Echo, MD
Posted Date: 17 Dec 2025

Information System Security Engineer (ISSE)

TLA is seeking an Information System Security Engineer (ISSE). This is a critical role responsible for designing... (RMF) and DoD 8570/8140 guidelines. · Security Architecture and Design: Design, develop, and implement network and system...

Company: TLA-LLC
Location: McLean, VA
Posted Date: 24 Dec 2025

System (Security) Engineer

Job Description: The System Security Engineer will be part of a team of system engineers responsible for the... integrity and security of a mixed Windows and Linux based architecture with big data. The engineer will use their proficiency...

Posted Date: 29 Oct 2025

Cyber Security Engineer

Security Engineer, to assist with the release of a state-of-the-art technology stack under the DOMEX Technology Platform (DTP..., and adaptive team that values innovation, collaboration, and professional development. As a Cyber Security Engineer...

Company: Leidos
Location: Glen Echo, MD
Posted Date: 09 Jan 2026
Salary: $107900 - 195050 per year

IT Security Engineer

Security Engineer, to assist with the release of a state-of-the-art technology stack under the DOMEX Technology Platform (DTP..., and adaptive team that values innovation, collaboration, and professional development. As a Cyber Security Engineer...

Company: Leidos
Location: Glen Echo, MD
Posted Date: 09 Jan 2026
Salary: $107900 - 195050 per year

Offensive Security Engineer, Technical Lead (In Office or Remote)

where your work contributes to a greater purpose. Position Overview: We’re looking for an Offensive Security Engineer who excels... at navigating ambiguity, uncovering weaknesses, and engineering solutions that elevate our security posture. You’ll combine...

Company: Freddie Mac
Location: McLean, VA
Posted Date: 09 Jan 2026

Forescout Cyber Security Engineer (TS/SCI Poly)

Zachary Piper Solutions is seeking a Cyber Security Engineer with expertise in Forescout to support a federal customer... network engineering, system administration, and Active Directory services. The ideal candidate will have hands-on experience...

Location: McLean, VA
Posted Date: 08 Jan 2026
Salary: $140000 - 150000 per year

Application Security Engineer

Overview: As a Web Application Security Engineer, you will provide technical expertise and solutions to remediate... with one another. You will work directly with system admin teams to assist and remediate vulnerabilities and harden environments, while providing...

Company: Steampunk
Location: McLean, VA
Posted Date: 01 Jan 2026
Salary: $100000 - 155000 per year

Cyber Security Project Engineer - TS/SCI with Polygraph

impact as a Cyber Security Project Engineer supporting customer activities. GDIT is your place to make meaningful... Project Engineer, you will help ensure today is safe and tomorrow is smarter. Our work depends on a Cyber Security Project...

Company: General Dynamics
Location: McLean, VA
Posted Date: 20 Dec 2025

Information Security Engineer, Senior

Information Security Engineer, Senior The Opportunity: Are you looking for an opportunity to share your experience... Engineer, you can identify the requirements needed to assess vulnerabilities and recommend the best solution and security...

Location: McLean, VA
Posted Date: 14 Dec 2025

Application Security Engineer

Overview: As a Web Application Security Engineer, you will provide technical expertise and solutions to remediate... with one another. You will work directly with system admin teams to assist and remediate vulnerabilities and harden environments, while providing...

Company: Steampunk
Location: McLean, VA
Posted Date: 06 Dec 2025
Salary: $100000 - 155000 per year

Security Engineer

). How you’ll make an Impact As a Security Engineer, you will play an instrumental role in strengthening our defenses through..., and changes requiring engineer-level permissions. Conduct Tool Audits & Reviews: Perform regular reviews and audits of security...

Company: Ntiva
Location: McLean, VA
Posted Date: 28 Nov 2025
Salary: $60000 - 74000 per year

Cyber Security Project Engineer TS/SCI Clearance with FSP REQUIRED

, system architecture, design documents, test plans, security plans, etc.). The Contractor shall recommend changes to program..., and ServiceNow. The Contractor shall read and analyze System Security Plans (SSP) and other system. documentation to develop...

Company: MorphGroup
Location: McLean, VA
Posted Date: 19 Oct 2025

Senior AWS Full Stack Engineer (Banking Core Systems)

-caliber Senior AWS Full Stack Engineer with deep domain expertise in Core Banking and Card Management Systems... & Deposits: Engineer high-throughput engines for real-time deposit processing, interest calculations, and transaction posting...

Company: Infinitive Inc
Location: McLean, VA
Posted Date: 09 Jan 2026

Software Systems Engineer - TS/SCI w/ FS Poly

support to include security configurations, system scanning, and audits · Work across internal and external government...The Systems Engineer will develop, build, deploy, manage, and administer cloud software and infrastructure designed...

Location: McLean, VA
Posted Date: 08 Jan 2026

Systems Engineer

a System Engineer. This is a full-time and hybrid in the DC Metro area. Roles and Responsibilities Design, develop... administration. Additional duties as assigned. Requirements At least 5 years of experience working as a System Engineer...

Company: Astor & Sanders
Location: McLean, VA
Posted Date: 08 Jan 2026

DevOps Engineer and System Administrator, Senior

DevOps Engineer and System Administrator, Senior The Opportunity: Are you looking for an opportunity to leverage... your DevOps and System Administration expertise in a high impact role? We’re building and launching capability for Enterprise-web...

Location: McLean, VA
Posted Date: 08 Jan 2026
Salary: $77600 - 176000 per year

User Interface (UI) Systems Engineer/Product Owner

Description Leidos has an exciting opening for you, as our next TS/SCI cleared User Interface (UI) Systems Engineer... innovation, collaboration, and professional development. The selected individual will work closely with the Lead Systems Engineer...

Company: Leidos
Location: Glen Echo, MD
Posted Date: 02 Jan 2026
Salary: $107900 - 195050 per year

Systems Engineer

that provide safety, security, and economic prosperity for all individuals and American businesses. MITRE is seeking highly... engineering, software engineering, information systems, or data engineering to join our department as a Senior Systems Engineer...

Company: Mitre
Location: McLean, VA
Posted Date: 01 Jan 2026

System Engineer

IT infrastructure. The ideal candidate will ensure system reliability, performance, and security, working closely...TLA is seeking a skilled and proactive Systems Engineer to design, implement, and maintain our organization's critical...

Company: TLA-LLC
Location: McLean, VA
Posted Date: 24 Dec 2025