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Keywords: Systems and Network Security Engineer, Location: Arlington, VA

Page: 3

Endpoint Security Engineer Lead (CrowdStrike)

will work with internal team members to ensure that systems are functional, secure, and scalable. The Security Engineer...Leidos has an immediate need for a lead Endpoint Security Engineer for a customer on a highly visible and strategic...

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

Cyber Security Engineer - Hybrid Work Opportunity

: Skills: Cyber Defense, Cybersecurity, Information Assurance, Information Technology Security, Network Security... technology into opportunity as a Cyber Security Engineer at GDIT. Shape what’s next for mission-critical government projects...

Company: General Dynamics
Location: Arlington, VA
Posted Date: 19 Nov 2025
Salary: $105622 - 120750 per year

Cloud Security Engineer

. Strong understanding of cloud security fundamentals: IAM, network segmentation, encryption/KMS, secrets management, logging/monitoring... with confidence, and proactively manage to secure success. Work You'll Do Application Security: Evaluate, enhance, and document...

Company: Deloitte
Location: Rosslyn, VA
Posted Date: 23 Jan 2026

Systems Administrator / Information Systems Engineer

What You Will Do: We are seeking a Systems Administrator / Information Systems Engineer in support of the Marine Corps. Responsibilities include... of information technology systems and how to incorporate and maintain them on the Marine Corps Enterprise Network (MCEN...

Location: Arlington, VA
Posted Date: 23 Jan 2026

Systems Administrator / Information Systems Engineer

What You Will Do: We are seeking a Systems Administrator / Information Systems Engineer in support of the Marine Corps. Responsibilities include... of information technology systems and how to incorporate and maintain them on the Marine Corps Enterprise Network (MCEN...

Location: Arlington, VA
Posted Date: 08 Jan 2026

Senior Systems Engineer / Infrastructure Engineer (Lead)

Description: Marathon TS is seeking a Senior Systems Engineer / Infrastructure Engineer (Lead) to support a major DoD... infrastructure, systems engineering, and network services supporting a globally distributed, mission-critical defense environment...

Company: Marathon TS
Location: Arlington, VA
Posted Date: 25 Dec 2025

Z/OS System Programmer/Engineer

more at About the Opportunity DMI, LLC is seeking a Z/OS Programmer/Engineer to join us. As a member of a small z/OS Systems Support..., VA. With a focus on end-to-end managed IT services, including managed mobility, cloud, cybersecurity, network operations...

Location: Arlington, VA
Posted Date: 17 Dec 2025

System Development Engineer, GEMS NA Ops Engineering

and external resources, and develop to meet scaling needs. The Systems Development Engineer will be defining requirements... industry standard PackML Follow and enforce industrial network security requirements Follow change management process...

Company: Amazon
Location: Arlington, VA
Posted Date: 07 Dec 2025

Cyber Network Defense Analyst (CNDA) – Cloud Forensics

, proactive hunt operations, and continuous cyber defense across host-based, network-based, and cloud-based systems. We combine.... Position Overview Argo Cyber Systems is seeking Cyber Network Defense Analysts (CNDA) with deep Cloud Forensics expertise...

Location: Arlington, VA
Posted Date: 27 Oct 2025
Salary: $130000 - 160000 per year

Network Administrator

Description Leidos' Digital Modernization group is seeking a Senior Network Engineer to be responsible for the design... expertise and assist with network integration and consolidation efforts across multiple systems environments. Prepare...

Company: Leidos
Location: Arlington, VA
Posted Date: 22 Jan 2026
Salary: $92300 - 166850 per year

Computer Network Architect

Description Leidos' Digital Modernization group is seeking a Senior Network Engineer to be responsible for the design... expertise and assist with network integration and consolidation efforts across multiple systems environments. Prepare...

Company: Leidos
Location: Arlington, VA
Posted Date: 22 Jan 2026
Salary: $92300 - 166850 per year

Network Architect

Description Leidos' Digital Modernization group is seeking a Senior Network Engineer to be responsible for the design... expertise and assist with network integration and consolidation efforts across multiple systems environments. Prepare...

Company: Leidos
Location: Arlington, VA
Posted Date: 22 Jan 2026
Salary: $92300 - 166850 per year

Amazon Web Services (AWS) Network Administrator

networking while collaborating with network, systems, cybersecurity, and application teams to support business needs and advance... to identify performance bottlenecks, optimize throughput, and maintain compliance with SCCA standards. Network Security...

Posted Date: 15 Jan 2026

Amazon Web Services (AWS) Network Administrator

to identify performance bottlenecks, optimize throughput, and maintain compliance with SCCA standards. Network Security... and Compliance: Implement AWS network security controls aligned with defense-in-depth and least-privilege principles. Support...

Location: Arlington, VA
Posted Date: 14 Jan 2026

Systems Developer, Amazon Leo

and/or where it will be performed. Kuiper Production Operations team is looking for a Systems Development Engineer who is motivated... team, you are responsible for delivering Leo control systems and processes to meet Leo security and compliance standards...

Company: Amazon
Location: Arlington, VA
Posted Date: 15 Nov 2025

Senior Cloud Engineer

, and security. The Security Cloud Engineer will support the design and development of cybersecurity tools and technology..., upgrades, maintenance, security analysis and network performance and tuning of Windows and Linux servers in a virtual...

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

HPC Engineer

to other technical staff Utilize a wide variety of skills in system and network monitoring; large-scale systems administration...; scripting and automation; security compliance; network distributed services; storage and backups; and hardware and software...

Company: American Systems
Location: Arlington, VA
Posted Date: 23 Nov 2025

HPC Engineer

to other technical staff Utilize a wide variety of skills in system and network monitoring; large-scale systems administration...; scripting and automation; security compliance; network distributed services; storage and backups; and hardware and software...

Company: American Systems
Location: Arlington, VA
Posted Date: 22 Nov 2025

Software Engineer

Job Title: Software Engineer Job Description We are seeking a talented Software Engineer to design, develop..., and test sophisticated software for complex embedded systems operating in real-time environments. This role involves working...

Company: Actalent
Location: Arlington, VA
Posted Date: 21 Jan 2026
Salary: $65 - 80 per hour

Software Engineer

Job Title: Software Engineer Job Description We are seeking a talented Software Engineer to design, develop..., and test sophisticated software for complex embedded systems operating in real-time environments. This role involves working...

Company: Actalent
Location: Arlington, VA
Posted Date: 18 Jan 2026
Salary: $65 - 80 per hour