Security Engineer Jobs in ashburn,va

21 - 40 of 617 Jobs

Network Security EngineerJob Title - Network Security Engineer

INSPYR SolutionsCompany Name - INSPYR Solutions

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Merrifield, Virginia, USA

Contract

Title: Network Security Engineers (specializing in Palo Alto) Location: Remote Duration: Initial 6 months contract plus extension Work Requirements: , Holders or Authorized to work in USJob Description Network Security Engineering services to validate existing firewall rulesets in place and approve new firewall requests for client's on-premise and cloud firewalls. The project requires that all firewall rules be reviewed and optimized, removing legacy rules, and validating business owners for exi

Network Security EngineerJob Title - Network Security Engineer

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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Washington, District of Columbia, USA

Full-time

A growing cyber security consulting firm is seeking a Network Security Engineer to join a highly collaborative cybersecurity team supporting enterprise-level infrastructure. This role is ideal for a seasoned network engineer with deep expertise in network security, threat mitigation, and incident response. You'll design and maintain secure network architectures, monitor for anomalies, and play a key role in strengthening the organization's overall security posture. This is a 6-month Contract-to-

Lead Security EngineerJob Title - Lead Security Engineer

SAICCompany Name - SAIC

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Washington, District of Columbia, USA

Full-time

Job ID: 2506810 Location: WASHINGTON, DC, US Date Posted: 2025-06-25 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: No Description SAIC seeks a Lead Security Engineer to assist the Department of Transportation's Cybersecurity mission by supporting the implementation of IPv6 networking capabilities by joining a dedicated team of cyb

Mid Security EngineerJob Title - Mid Security Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Washington, District of Columbia, USA

Full-time

Job Number: R0221415 Security Engineer, Mid The Opportunity: We are seeking an experienced Security Engineer to join our Security Operations Center ( SOC ) team. As a Security Engineer, you will provide technical expertise in securing enterprise systems, networks, and data, and will be instrumental in enhancing the agency's security posture in alignment with federal cybersecurity frameworks and compliance requirements. You will work closely with SOC analysts, incident resp ond ers, threat hunte

Sr. Security EngineerJob Title - Sr. Security Engineer

Navigant ConsultingCompany Name - Navigant Consulting

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Washington, District of Columbia, USA

Full-time

Job Family: Systems Engineering Travel Required: None Clearance Required: Active Top Secret (TS) What You Will Do: Provides the expertise to conduct systems analysis, certification and accreditation, integration of secure products, security test and evaluation, and development of complex information systems to meet information system security requirements. A broad knowledge of the technical information systems security discipline is required. The candidate will be responsible for updating sy

Network Security EngineerJob Title - Network Security Engineer

TriosysIT Inc.Company Name - TriosysIT Inc.

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Washington, District of Columbia, USA

Third Party, Contract

Duties & Responsibilities:a. Ability to monitor and analyze data traffic patterns within the OCFO network infrastructure;b. Identify network problems and recommend improvements to ensure optimal performance;c. Ability to improve network quality regarding any degradation;d. Ability to enhance security and knowledge of the latest security threats, worms and malware and advise on how to deter them;e. Ability to ensure reliability and stability of the work through the above actions;f. Configure rout

Lead Security EngineerJob Title - Lead Security Engineer

Apex SystemsCompany Name - Apex Systems

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Washington, District of Columbia, USA

Full-time

Job#: 2077304 Job Description: Apex Systems is seeking a Lead Security Engineer to support the Department of Transportation in Washington DC. If interested, email your resume. Position: Lead Security Engineer Location: 1200 New Jersey Ave SE Washington DC USA 20590 3x onsite, 2x remote Hours: Regular business hours Compensation: $120k-$128k Job Type: Contract to hire Clearance: Must obtain DOT public trust clearance The Lead Security Engineer will assist the Department of Transportation's Cybers

Lead Security EngineerJob Title - Lead Security Engineer

Eliassen GroupCompany Name - Eliassen Group

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Washington, District of Columbia, USA

Contract

Description: We are looking for a Lead Security Engineer to support a F500 client in the Washington, DC metro area. Location: Washington, DC Pay Rate: $60-$70/hr. W2 This is a contract-to-hire opportunity. Applicants must be willing and able to work on a W2 basis and convert to FTE following contract duration. For our W2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance. Responsibilities: Key Techni

Network Security EngineerJob Title - Network Security Engineer

Thermo Fisher ScientificCompany Name - Thermo Fisher Scientific

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Frederick, Maryland, USA

Full-time

Work Schedule Standard (Mon-Fri) Environmental Conditions Office Job Description When you join us at Thermo Fisher Scientific, you'll be part of a hard-working, driven team that shares your passion for exploration and discovery. With annual revenues of approximately $40 billion and the most significant investment in R&D in the industry, we give our over 100,000 colleagues the resources and chances to create meaningful contributions to the world. Location/Division Specific Information Discov

Lead Security EngineerJob Title - Lead Security Engineer

Computer Merchant, Ltd., TheCompany Name - Computer Merchant, Ltd., The

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Washington, District of Columbia, USA

Full-time

JOB TITLE: LEAD SECURITY ENGINEER JOB LOCATION: WASHINGTON, DC WAGE RANGE*: 65.00-69.00 PER HOUR JOB NUMBER: SAIJP00038080 REQUIRED EXPERIENCE: . Bachelor's degree in Computer Science, Information Security, or a related field. A master's degree is a plus 2. Certified Information Systems Security Professional (CISSP), Certified IPv6 Security Expert (CISE), or equivalent certifications preferred. 3. Proficiency in network security tools and technologies, such as intrusion detection/preventio

Tenable Security EngineerJob Title - Tenable Security Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Washington, District of Columbia, USA

Full-time

Job Number: R0221395 Tenable Security Engineer Key Role: Join the Security Operations Center (SOC) team as a Tenable Security Engineer. I mplement and optimize enterprise vulnerability management solutions using Tenable.sc, Nessus, and other components of the Tenable ecosystem. I ntegrate Tenable with other enterprise security platforms and ensure that the vulnerability management program supports continuous monitoring, compliance, and risk reduction objectives . D eploy, configure, and optimize

Cyber Systems Security Engineer StaffJob Title - Cyber Systems Security Engineer Staff

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Remote or Manassas, Virginia, USA

Full-time

Job Description What We're Doing At Lockheed Martin - Rotary and Mission Systems, we're shaping the future of Undersea Warfare (USW) systems. Our mission is to develop innovative technologies that secure our nation's defense. We are integrating state-of-the-art cybersecurity solutions into mission-critical systems to ensure resilience, integrity, and continued superiority under the sea and across domains. The Work As a Cyber Systems Security Engineer Staff, you will take a leadership role in

AI Security EngineerJob Title - AI Security Engineer

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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Washington, District of Columbia, USA

Full-time

Job Title: Security Engineer - AI Red Teaming & Threat Analytics Location: Washington, DC (Hybrid - 3 Days Onsite) Type: 6-Month Contract-to-Hire Clearance: Must be eligible for Public Trust Overview: Our client is seeking a Security Engineer with a strong background in AI security, red teaming, and adversarial testing. This role focuses on securing enterprise LLM platforms such as Copilot, Azure OpenAI, and AWS Bedrock by identifying vulnerabilities, mitigating misuse, and implementing robu

IS Security Engineer (ISSE), TS/SCI with PolygraphJob Title - IS Security Engineer (ISSE), TS/SCI with Polygraph

General DynamicsCompany Name - General Dynamics

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Chantilly, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Information Security Job Qualifications: Skills: Continuous Monitoring, Information Security, Risk Management Framework Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Information Systems Security Engineer (ISSE) We are seeking a

Network Security EngineerJob Title - Network Security Engineer

Accenture LLPCompany Name - Accenture LLP

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Washington, District of Columbia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative

ISSE/Security Engineer - TS/SCI with PolygraphJob Title - ISSE/Security Engineer - TS/SCI with Polygraph

General DynamicsCompany Name - General Dynamics

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Herndon, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Information Systems, System Security, Systems Engineering Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a personal impact as an ISSE/Security Enginee

W2 Role || Security EngineerIn Person InterviewJob Title - W2 Role || Security EngineerIn Person Interview

V.L.S. Systems, IncCompany Name - V.L.S. Systems, Inc

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Manassas, Virginia, USA

Contract

Role: Security EngineerLocation: McLean, VA-Hybrid (2-3 days on site/Week)Duration: 12+ Months F2f interview required Must be W2 of VLS, 7.5hrs per day of work Description : RL5 Cloud Security expertise for GS/ASMProject name : Security Detection & Response Enhancements Cloud Security services--Senior (min 6-9 years exp.) Infrastructure as Code--Professional (min 4-5 years exp.) Security vulnerability and configuration scan tools--Professional (min 4-5 years exp.)

Network Security EngineerJob Title - Network Security Engineer

TECKNOMIC LLCCompany Name - TECKNOMIC LLC

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Washington, District of Columbia, USA

Full-time

This is a full-time position with Tecknomic and the project is with the Office of the Chief Financial Officer (OCFO). This is a hybrid role (onsite 3 days per week). Please note, in order to apply for this position, you must be able to provide proof of Covid-19 vaccination. This role closes on 7/11/2025. Candidates must be local to the DMV area for this hybrid (3 days weekly onsite) role. Senior Network Security Engineer II supports the ongoing design, implementation, operation and security of

Senior Systems Security EngineerJob Title - Senior Systems Security Engineer

SAICCompany Name - SAIC

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Alexandria, Virginia, USA

Full-time

Job ID: 2507174 Location: ALEXANDRIA, VA, US Date Posted: 2025-07-01 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is hiring a Senior Systems Security Engineer with an active TS/SCI clearance to participate in Independent Technical Risk Assessments (ITRA) and Program Protection Plan () reviews to

Security Engineer - IVJob Title - Security Engineer - IV

Judge Group, Inc.Company Name - Judge Group, Inc.

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Reston, Virginia, USA

Full-time

Location: Reston, VA Salary: Negotiable Description: Our client is currently seeking a Security Engineer - IV [ Additional Description ] Working Model: Prefer hybrid, but open to home based- If Hybrid they will be in office twice per week As a cyber security engineer you will be responsible for: Research and investigate cyber security vulnerabilities that are produced by security scanners or found by security engineers. Do in-depth deep dives on vulnerabilities and their applicability fo