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Keywords: Cybersecurity Engineer, Location: Herndon, VA

Page: 1

Information System Security Officer, Classified Cybersecurity

security administration of IS in accordance with internal LM and customer cybersecurity requirements, primarily the Risk..., vulnerability management, DISA STIGs. - Prior Information System Security Engineer (ISSE) or System Administration experience...

Company: Lockheed Martin
Location: Herndon, VA
Posted Date: 09 Jan 2026
Salary: $88000 - 152490 per year

Forward Deployed Software Engineer I

Forward Deployed Software Engineer to support new US Army Programs with novel 3D software solutions. This individual will act.... Maintain a high standard of cybersecurity, data integrity, and operational discipline in line with DoD requirements. Minimum...

Company: Vantor
Location: Herndon, VA
Posted Date: 09 Jan 2026
Salary: $90000 - 150000 per year

PKI Engineer - Active TS/SCI with CI Poly

As an IAM engineer, you’ll play a critical role in the world of IAM and Zero Trust. In this role, you’ll support large... adversaries in their tracks. Requirements 3+ years of experience with PKI in cybersecurity Experience with Active Directory...

Location: Reston, VA
Posted Date: 08 Jan 2026

Arkime Engineer - Active TS/SCI with CI Poly

We are seeking a highly skilled Arkime (formerly Moloch) Implementation & Sustainment Engineer to design, deploy... and operations teams. Requirements 5+ years of experience in cybersecurity, network security engineering, or security operations...

Location: Reston, VA
Posted Date: 08 Jan 2026

Case Management Engineer - Active TS/SCI with CI Poly

We are looking for a Backend Security Engineering Case Management Engineer to architect and implement the backend..., or CND Certification Ability to obtain a DoD 8570.01-M Cybersecurity Service Provider - Infrastructure Support Certification...

Location: Reston, VA
Posted Date: 08 Jan 2026

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

Trust Segmentation Platform Engineer to lead the design, implementation, and operational support of our enterprise micro..., documentation, and enterprise security playbooks. Requirements 5+ years in cybersecurity, cloud security, or infrastructure...

Location: Reston, VA
Posted Date: 08 Jan 2026

Cyber Security Engineer with CI Poly

We are seeking motivated, highly technical Cybersecurity Engineers with at least two years of experience. Candidates... matter experts and help shape the future of cybersecurity. LiquidKinetics is seeking a highly skilled and motivated Splunk...

Company: LiquidKinetics
Location: Reston, VA
Posted Date: 08 Jan 2026
Salary: $80000 per year

Endace Platform Engineer - Active TS/SCI with CI Poly

We are seeking a seasoned Endace Implementation & Sustainment Engineer to architect, deploy, integrate, and operate... in cybersecurity engineering, network security, or SOC tooling. Strong understanding of packet analysis, network forensics, deep...

Location: Reston, VA
Posted Date: 08 Jan 2026

Trellix Endpoint DLP Engineer - Active TS/SCI with CI Poly

Prevention (DLP) Engineer. Serve as the technical owner for Trellix EDR/DLP components, ensuring sensitive data is identified... in cybersecurity engineering, data protection, or endpoint security 2+ years of experience with Trellix Endpoint DLP, Trellix ePO...

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... complexities of security with a wide variety of audiences, including senior management. Manage infrastructure and cybersecurity...

Location: Reston, VA
Posted Date: 08 Jan 2026

Suricata Engineer - Active TS/SCI with CI Poly

We are seeking an experienced Suricata Engineer to join our cybersecurity team. The ideal candidate will possess deep..., CCNA-Security, GSEC, SSCP, CySA+, GICSP, or CND Certification. Ability to obtain a DoD 8570 Cybersecurity Service Provider...

Location: Reston, VA
Posted Date: 08 Jan 2026

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...

Location: Reston, VA
Posted Date: 08 Jan 2026

IDS/IPS Cyber Engineer

a Network Intrusion Detection Engineer to join our cybersecurity team. The ideal candidate must possess strong Linux engineering... Cybersecurity Service Provider (CSSP) - Infrastructure Support (IS) certification, including CEH, CySA+, GICSP, SSCP, CHFI, CFR...

Location: Reston, VA
Posted Date: 07 Jan 2026
Salary: $130000 - 155000 per year

UI Software Engineer

Responsibilities Peraton is seeking a UI Software Engineer to join our team of qualified, diverse individuals..., cybersecurity, defense, health, and mobile. You’ll have the opportunity to work in a collaborative, supportive environment...

Company: Peraton
Location: Herndon, VA
Posted Date: 06 Jan 2026
Salary: $112000 - 179000 per year

Automation Test Engineer

The Work: ICF seeks a skilled Automation Test Engineer to ensure the quality and reliability of a mission-critical... Salesforce-based solution for the US Department of Transportation. The Test Engineer will develop and execute test plans...

Location: Reston, VA
Posted Date: 02 Jan 2026
Salary: $67020 - 113934 per year

Cyber Security Engineer IV

to enable national security missions worldwide. Job Description SOSi is seeking an experienced Cybersecurity Engineer... across on-prem, Microsoft 365/Azure, and multi-cloud environments (AWS, GCP, OCI). You will engineer, implement, and continuously...

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

Cyber Security Engineer IV

to enable national security missions worldwide. Job Description SOSi is seeking an experienced Cybersecurity Engineer... across on-prem, Microsoft 365/Azure, and multi-cloud environments (AWS, GCP, OCI). You will engineer, implement, and continuously...

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

Information Assurance Engineer

Responsibilities Peraton is seeking an Information Assurance (IA) Engineer to join our team of qualified and diverse..., and databases supporting consular applications services globally. The IA Engineer works closely with the CAEIO Infrastructure...

Company: Peraton
Location: Sterling, VA
Posted Date: 28 Dec 2025
Salary: $104000 - 166000 per year

Network / Communications Engineer (Full Performance, Senior)

/ Communications Engineer to join our team! In this role you will get to research, design, plan, develop, and implement of advanced..., for network installation and maintenance. Knowledge of cybersecurity principles and techniques for mitigating threats...

Company: Parsons
Location: Reston, VA
Posted Date: 25 Dec 2025

Cyber Reverse Engineer

Cyber Reverse Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI... and reverse engineer software binaries and embedded firmware on traditional and embedded systems to identify functional behavior...

Location: Sterling, VA
Posted Date: 25 Dec 2025
Salary: $79400 - 162700 per year