security engineer Jobs in ashburn,va

21 - 40 of 626 Jobs

A/V & Security EngineerJob Title - A/V & Security Engineer

LeidosCompany Name - Leidos

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Chantilly, Virginia, USA

Full-time

Job Description We are seeking a highly organized and detail-oriented A/V Security Engineer who is responsible for the operation, configuration, and maintenance of advanced video systems used in secured environments. This role ensures high-quality video signal integrity, optimal display performance, and the reliability of video infrastructure across conferencing, streaming, and surveillance systems. The ideal candidate is technically adept, detail-oriented, and experienced in leading AV operati

Data Security EngineerJob Title - Data Security Engineer

BOOZ, ALLEN & HAMILTON, INC.Company Name - BOOZ, ALLEN & HAMILTON, INC.

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Arlington, Virginia, USA

Full-time

Data Security Engineer Key Role: Architect, deploy, and configure data security solutions across various clients for DoD, IC, and Civilian Federal clients. Create new architectures to meet client requirements adhering to Zero T rus t best practices and IC data header guidelines. Interface with key stakeholders, including agency personnel and internal delivery and engineering teams. Assist in building custom policy to ensure positive control of data across hybrid cloud environments. Basic Quali

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

Virtru Security EngineerJob Title - Virtru Security Engineer

BOOZ, ALLEN & HAMILTON, INC.Company Name - BOOZ, ALLEN & HAMILTON, INC.

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Arlington, Virginia, USA

Full-time

Virtru Security Engineer The Opportunity: As a Virtru Security Engineer you'll play a critical role in the world of zero t rus t. You will support the cyber architecture development, implementation, and sustainment across multiple networks of different classification levels. You'll interface with stakeholders and engineering teams to delve into the details and dependencies of critical processes and users' roles within them. You'll lead security compliance initiatives and automation of control

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

Senior Information Systems Security EngineerJob Title - Senior Information Systems Security Engineer

LeidosCompany Name - Leidos

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Maryland, USA

Full-time

Description As a Senior Information Security Systems Engineer (ISSE) you will join a small team of security engineers providing Information Assurance (IA) Architecture Analysis and Security Engineering Support for the implementation and fielding of the National Leadership Command Capability in support of Nuclear Command, Control, and Communications (NC3), Continuity of Government (COG), and Senior Leader communications. The ISSE will perform in a consultant like role providing technical knowledg

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

Application Security Engineer - VeracodeJob Title - Application Security Engineer - Veracode

The Squires Group, IncCompany Name - The Squires Group, Inc

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Arlington, Virginia, USA

Full-time

Overview The Squires Group, Inc. is hiring for an Application Security Engineer with deep experience utilizing Veracode to enhance our client's application security team. In this role, you will collaborate with the client and application team to ensure a strong and resilient security posture for high-profile applications. Per our client contract, candidates must be clearable to the Secret level. If you currently have an Active Secret Clearance, you're a step ahead. Responsibilities Perform appl

Information Assurance System Security Engineer (ISSE) IIIJob Title - Information Assurance System Security Engineer (ISSE) III

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Manassas, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Information Security Job Qualifications: Skills: Information Assurance, Information Security, Information Systems Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as an Information Assurance System Securi

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