Find your dream job now!

Click on Location links to filter by Job Title & Location.
Click on Company links to filter by Company & Location.
For exact match, enclose search terms in "double quotes".

Keywords: Linux Network Security Engineer, Location: Reston, VA

Page: 1

Linux Network Security Engineer

Linux Network Security Engineer The Opportunity: We are seeking a seasoned Endace Implementation and Sustainment... engineering, Linux system administration, network security, or SOC tooling Experience supporting regulated or high-security...

Location: Reston, VA
Posted Date: 27 Nov 2025
Salary: $77600 - 176000 per year

Network Engineer - Active Security Clearance

security challenges in the most demanding environments. This Network Engineer position is located in Northern Virginia... with flexible core hours. The Network Engineer is responsible for developing, engineering, and deploying technical solutions...

Company: Cadre
Location: Reston, VA
Posted Date: 01 Jan 2026

Network Security Engineer (Splunk) - TS/SCI with Polygraph

Job Description: Seize your opportunity to make a personal impact as a Network Security Engineer supporting customer activities. GDIT... are our differentiators. As a Network Security Engineer, you will help ensure today is safe and tomorrow is smarter. Our work depends...

Company: General Dynamics
Location: Herndon, VA
Posted Date: 16 Dec 2025

Network Engineer - Network Access Control and CISCO

If you're a senior-level network engineer with deep NAC expertise looking to lead critical infrastructure security efforts... Training & development Now Hiring: Network Access Control (NAC) – Subject Matter Expert (SME) Network Engineer POS-5036...

Posted Date: 18 Jan 2026

Network Development Engineer, Enterprise Networking, Enterprise Networking - Data Center Engineering

to help. You'll join a diverse team of software, hardware, and network engineers, supply chain specialists, security experts... is looking for a Network Development Engineer to join our Backbone Enterprise, and Regional Engineering (BERE) team. Network Development...

Company: Amazon
Location: Herndon, VA
Posted Date: 07 Jan 2026

Network Engineer (Full Scope Polygraph Req.) VA

from several different manufacturers, as well as Windows/Linux servers, databases, VMware, and security hardware/software. This position.../router/firewall configuration and security management of an environment that includes networking equipment...

Company: August Schell
Location: Herndon, VA
Posted Date: 17 Jan 2026

Senior Information System Security Engineer

Engineer Deliver security related solutions for enterprise information systems and network architectures as an Information... System Security Engineer at GDIT. Here, you’ll tailor cutting-edge solutions to the unique requirements of our clients...

Company: General Dynamics
Location: Reston, VA
Posted Date: 22 Nov 2025
Salary: $127500 - 172500 per year

Senior Information Systems Security Engineer (ISSE)

administration capabilities and Linux proficiency for optimal system management · Security credentials, certifications... technical expertise to ensure the network systems meet DIA C&A and IA requirements and are properly certified and accredited...

Company: DAn Solutions
Location: Reston, VA
Posted Date: 08 Jan 2026

Network Eng Sr Prin II

experience as a CISCO Network Engineer with a focus on Network Security Strong proficiency with NAC platforms In-depth... Engineer with a minimum of 16 years' of experience and a specialized focus on Network Access Control (NAC), particularly...

Company: BAE Systems
Location: Herndon, VA
Posted Date: 07 Nov 2025

Cyber Systems (RedHat) Engineer

Engineer to join our dynamic multi-disciplinary team, developing a next generation satellite terminal on a mission critical... Linux (RHEL) servers across the globe. Help build mission-critical, highly available, high-performance networked systems...

Company: Peraton
Location: Herndon, VA
Posted Date: 25 Jan 2026

Systems Engineer - ISSE

. Our work depends on a Systems Engineer - ISSE joining our highly skilled team to be a premier provider of cyber security... support, configuring basic network infrastructure, authentication, security testing, intrusion detection/prevention, incident...

Company: General Dynamics
Location: Herndon, VA
Posted Date: 22 Jan 2026

SIEM Data Onboarding Engineer - Active TS/SCI with CI Poly

of Ansible playbooks Knowledge of Python scripting Benefits Essential Network Security (ENS) Solutions, LLC is a service... Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support...

Location: Reston, VA
Posted Date: 18 Jan 2026

Systems Engineer

-tier engineers and security professionals Build systems that scale, perform, and endure Ready to engineer..., and Debugging] across Linux and Windows Ability to collaborate closely with [ISSMs & Security Teams] to deliver secure solutions...

Company: Lockheed Martin
Location: Herndon, VA
Posted Date: 16 Jan 2026

DevOps Engineer / Systems Administrator (CKA Required)

security, including technical analysis, system design, implementation and maintenance of software solutions, training..., and field technical support. The DevOps Engineer / Systems Administrator (CKA Required) is responsible for designing...

Company: Securiport
Location: Reston, VA
Posted Date: 16 Jan 2026

Cyber Tools Engineer (TS/SCI CI Polygraph)

, and Linux environments; installs and maintains operating systems and application software such as Host-based Security System..., Endpoint Security Suite (ESS), Splunk, Cribl, and network security tools including Firewalls and ForeScout. · Contributes...

Location: Reston, VA
Posted Date: 15 Jan 2026
Salary: $120000 - 145000 per year

GDI - Cloud Adoption Engineer

Solutions Architect, AWS Security Specialist, Microsoft Certified: Azure Security Engineer, Associate, Microsoft Certified... environments and apply cloud, database, application, middleware, server/OS, storage, networking, and security skills to guide...

Company: Oracle
Location: Reston, VA
Posted Date: 15 Jan 2026
Salary: $141800 - 232200 per year

IDS / IPS Engineer - Active TS/SCI with CI Poly

We are seeking an experienced Network Intrusion Detection Engineer to join our cybersecurity team. The ideal candidate... and Response (NDR) solutions, including Trellix/FireEye, Corelight, Endace, Vectra AI, Dark Trace, Cisco Security Network Analytics...

Location: Reston, VA
Posted Date: 08 Jan 2026

ForeScout Engineer - Active TS/SCI with CI Poly

as they engineer solutions to complex challenges for customers using knowledge network engineering, Active Directory, and system... Essential Network Security (ENS) Solutions, LLC is a service-disabled veteran owned, highly regarded IT consulting...

Location: Reston, VA
Posted Date: 08 Jan 2026

Illumio Zero Trust Segmentation Platform Engineer - Active TS/SCI with CI Poly

, Azure, or GCP). 2+ years of experience with network security (firewalls, routing, segmentation models, TCP/IP). 2+ years... Network Security (ENS) Solutions, LLC is a service-disabled veteran owned, highly regarded IT consulting and management firm...

Location: Reston, VA
Posted Date: 08 Jan 2026

PKI Engineer - Active TS/SCI with CI Poly

and Venafi Experience implementing ACME and SCEP processes Security+ Certification Benefits Essential Network Security... of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering...

Location: Reston, VA
Posted Date: 08 Jan 2026