lead security engineer Jobs in district of columbia

61 - 80 of 550 Jobs

Information Security Systems EngineerJob Title - Information Security Systems Engineer

LeidosCompany Name - Leidos

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Columbia, Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for a Sr. Information Systems Security Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% comp

Corelight Network Security EngineerJob Title - Corelight Network Security Engineer

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

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McLean, Virginia, USA

Full-time

Corelight Network Security Engineer Key Role: Serve as a key member in the client's cybersecurity program. Lead the selection, design, and implementation of network security tools and capabilities. Develop new detection capabilities and analyze attacks. Support critical business initiatives that contribute to enhancing the cybersecurity posture of U.S. civilian agencies. Due to the nature of work performed within this facility, U.S. citizen ship is required . Basic Qualifications: 10+ years of

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

AV Security EngineerJob Title - AV Security Engineer

LeidosCompany Name - Leidos

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Springfield, 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

Information Systems Security EngineerJob Title - Information Systems Security Engineer

SAICCompany Name - SAIC

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Chantilly, Virginia, USA

Full-time

Job ID: 2508038 Location: CHANTILLY, VA, US Date Posted: 2025-07-30 Category: Cyber Subcategory: Cybersecurity Spec Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking an experienced Information Systems Security Engineer (ISSE) for a position located in Chantilly, VA. The successful candidate will leverage overall system knowl

AV Security EngineerJob Title - AV Security Engineer

LeidosCompany Name - Leidos

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Springfield, Virginia, USA

Full-time

Description 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 leadin

Information Technology - Security Engineer SpecialistJob Title - Information Technology - Security Engineer Specialist

Apex SystemsCompany Name - Apex Systems

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McLean, Virginia, USA

Full-time

Job#: 2082700 Job Description: We are hiring Security Engineer! Role: Automation Engineer Supporting: Large Financial Services Client Location: Mclean, VA Position Description: Will be working in PowerShell and Anisble Qualifications:PowerShell scripting, Ansible, hands-on automation. Preferred: CyberArk EEO Employer Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirt

Cloud Security EngineerJob Title - Cloud Security Engineer

Cornerstone DefenseCompany Name - Cornerstone Defense

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Herndon, Virginia, USA

Full-time

Location: Herndon, Virginia Type: Contract Job #3713 Title: Cloud Security Engineer Location: Herndon, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team i

Cyber Security InfoSec Engineer / Information Systems Security OfficerJob Title - Cyber Security InfoSec Engineer / Information Systems Security Officer

SilverEdgeCompany Name - SilverEdge

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Reston, Virginia, USA

Full-time

Overview Provide cyber security support for information systems, from Assessment and Authorization through Operations and Maintenance. This includes applying Risk Management Framework expertise and supporting developers and engineers in maintaining Authority to Operate compliance for information systems. Required Qualifications Support the assessment and authorization by applying expert-level knowledge of NIST SP 800-53 (Revision 4 and Revision 5).Draft security documentation, including Plan

Cybersecurity Systems Engineer/Information Systems Security Engineer (ISSE) - TS/SCI w. PolygraphJob Title - Cybersecurity Systems Engineer/Information Systems Security Engineer (ISSE) - TS/SCI w. Polygraph

General DynamicsCompany Name - General Dynamics

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Elkridge, Maryland, 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: Cyber Security Job Qualifications: Skills: Cybersecurity, Information Security Operations, Information System Security Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: *Position is currently located in Elkridge, MD and will relocate to anothe

Information Systems Security EngineerJob Title - Information Systems Security Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Fort Belvoir, Virginia, USA

Full-time

Job Number: R0221437 Information Systems Security Engineer The Opportunity: Are you looking for an opportunity to share your experience in system security engineering to help our country and assist our clients with critical missions? As a systems security and network security engineer, you can identify the Information System Security Engineering needed to assess vulnerabilities and recommend the best solution and security strategy. We need your experience to lead the development and implementat

Information Systems Security Engineer II (Onsite)Job Title - Information Systems Security Engineer II (Onsite)

RTX CorporationCompany Name - RTX Corporation

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Sterling, Virginia, USA

Full-time

Date Posted: 2025-07-23 Country: United States of America Location: HVA34: Sterling, VA 22640 Davis Dr , Sterling, VA, 20164-7104 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret Information Systems Security Engineer II (Onsite) Do you like video games? Have you ever wondered what it would be like to create yo

Senior Systems Engineer Onsite Fort Meade, MD Active Security ClearanceJob Title - Senior Systems Engineer Onsite Fort Meade, MD Active Security Clearance

SmoothStackCompany Name - SmoothStack

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Fort Meade, Maryland, USA

Full-time

Interviewing/Hiring NOW Senior Systems Engineer Onsite Fort Meade, MD Full Time/Perm/$Salary + Benefits Active Security Clearance Required! Develops Cloud-based Solutions in conjunction with managing Cyber Security for Secured Networks

Senior Data Mining and Analytics Engineer (Security Clearance Required) - Remote work - Local DC Metro or FLJob Title - Senior Data Mining and Analytics Engineer (Security Clearance Required) - Remote work - Local DC Metro or FL

ICFCompany Name - ICF

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Remote or Arlington, Virginia, USA

Full-time

ICF International seeks an experienced Senior Data Mining and Analytics Engineer to support the research and development of new cyber analytic capabilities that will help the US protect and defend its networks and critical information systems. The successful cleared candidate will act as a Senior Data Mining and Analytics Engineer to support a large federal cyber security analytic program. Your work will contribute to the knowledge of how cyber-attacks work, how vulnerabilities are exploited, an

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

Active Directory Engineer Onsite Fort Meade, MD Active Security ClearanceJob Title - Active Directory Engineer Onsite Fort Meade, MD Active Security Clearance

SmoothStackCompany Name - SmoothStack

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Fort Meade, Maryland, USA

Full-time

Interviewing/Hiring NOW Active Directory Engineer Onsite Fort Meade, MD Full Time/Perm/$Salary + Benefits Active Security Clearance Required! Architecting/Engineering Enterprise Level Solutions

Information System Security Engineer (ISSE)Job Title - Information System Security Engineer (ISSE)

Parsons Services CompanyCompany Name - Parsons Services Company

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Chantilly, Virginia, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is looking for a sharp and talented Information Systems Security Engineer (I

Security EngineerJob Title - Security Engineer

LeidosCompany Name - Leidos

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Odenton, Maryland, USA

Full-time

Description Leidos is seeking a Security Engineer to support the execution of strategic, operational, and organizational PPSM objectives. This position can be based out of any of our three locations - Alexandria, VA, Fort Meade, MD, or Chambersburg, PA. The position is primarily on-site, but partial telework may be available at the discretion of our customer and program management. Responsibilities: Ensure compliance with DoD-approved standards, architectures, and guidelines (e.g., DISN) and c

Information Systems Security Engineer IIJob Title - Information Systems Security Engineer II

LeidosCompany Name - Leidos

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Maryland, USA

Full-time

Description The Digital Modernization Sector at Leidos currently has an immediate need for an experienced Information Systems Security Engineer (ISSE) II for a strategic High-Performance Computing (HPC) program. The ISSE II will need to be a self-starter with excellent analytical and problem-solving skills, flexibility, good judgment, and the ability to work within a team to mature the HPC capabilities of our customer. Primary Responsibilities: Assists the Government in creating techniques and

Security EngineerJob Title - Security Engineer

ManTechCompany Name - ManTech

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Herndon, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Security Engineer to join our team in Herndon, VA to design, implement, and maintain secure environments that align with compliance standards in support of a high priority mission at one of our National Intelligence Customers. This role requires an individual with a strong technical foundation in cybersecurity, a deep understanding of federal security frameworks, and a proactive approach to protecting mission-critical systems. Responsibili