Network Security Engineer Jobs in District of Columbia

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Information Systems Security Engineer

Booz Allen Hamilton

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

Network Security Analyst

Cymertek Corporation

Tysons, Virginia, USA

Full-time

Network Security Analyst LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a detail-oriented and proactive Network Security Analyst to join our cybersecurity team. In this role, you will monitor, analyze, and protect the organization's network infrastructure against potential threats and vulnerabilities. You will be responsible for identifying security risks, responding to incidents, and implementing m

Lead Security Engineer

SAIC

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

Lead Security Engineer

Computer Merchant, Ltd., The

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

Lead Security Engineer

Eliassen Group

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

Lead Security Engineer

Apex Systems

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

Security Engineer

Leidos

Camp Springs, Maryland, USA

Full-time

Leidos has a career opportunity for a Security Engineer to support the Air Force National Capital Region IT Services program. The AFNCR IT Services program provides support services for information systems for Headquarters Air Force (HAF), Air Force District of Washington (AFDW), Office of the Secretary of Defense (OSD), Joint Chiefs of Staff, and other Air Force activities within the AFNCR, missions to include the Pentagon, Joint Base Andrews (JBA), Joint Base Anacostia-Bolling (JBAB), and othe

Network Security Analyst

Cymertek Corporation

Reston, Virginia, USA

Full-time

Network Security Analyst LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a detail-oriented and proactive Network Security Analyst to join our cybersecurity team. In this role, you will monitor, analyze, and protect the organization's network infrastructure against potential threats and vulnerabilities. You will be responsible for identifying security risks, responding to incidents, and implementing m

Sr. Security Engineer

Navigant Consulting

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 Analyst

Cymertek Corporation

Chantilly, Virginia, USA

Full-time

Network Security Analyst LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a detail-oriented and proactive Network Security Analyst to join our cybersecurity team. In this role, you will monitor, analyze, and protect the organization's network infrastructure against potential threats and vulnerabilities. You will be responsible for identifying security risks, responding to incidents, and implementin

Senior Network Engineer

Booz Allen Hamilton

Reston, Virginia, USA

Full-time

Job Number: R0218929 Network Engineer, Senior The Opportunity: Are you looking for an opportunity to share your experience in designing, developing, and implementing innovative network security solutions to support our country and protect our nation? As a systems security and network security engineer, you will be responsible for the enterprise deployment of the Gigamon Deep Observability Pipeline and GigaVUE Fabric Manager. We need your experience to oversee the development and implementation o

Cloud Security Engineer

Cornerstone Defense

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

Technical Security and Signals Countermeasures (TSSC) Engineer

Leidos

Bethesda, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Technical Security and Signals Countermeasures (TSSC) 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

Technical Security and Signals Countermeasures (TSSC) Engineer

Leidos

Bethesda, Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for a Technical Security and Signals Countermeasures (TSSC) 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

Mid Security Engineer

Booz Allen Hamilton

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

National Security System (NSS) Engineer

Evolver Federal

Springfield, Virginia, USA

Full-time

Evolver Federal is seeking a National Security System (NSS) Engineer to support its Federal client in Springfield, VA in analyzing and mitigating risk for a portfolio of National Security Systems. The NSS Engineer will review and analyze system design and security architecture documentation as well as security documentation, including System Security Plans (SSPs) to identify areas of noncompliance with security requirements and security risk, also identifying discrepancies among documentation as

Operations Security Engineer

Apex Systems

Joint Base Andrews, Maryland, USA

Full-time

Job#: 2076817 Job Description: Apex Systems is seeking an Operations Security Engineer to support the US Airforce at Joint Base Andrews. If interested, email your resume. #clearance Position: Operations Security Engineer Location: Fully onsite at Joint Base Andrews Hours: M-F, 8 hour shift between 6AM-6PM Compensation: $70-$75/hr Job type: Full-time, long-term contract Certification: Security+ required Primary Responsibilities As the Operations Security Engineer, you will work alongside a de

Migration Security Engineer

Apex Systems

Herndon, Virginia, USA

Full-time

Job#: 2079158 Job Description: Title: Migration Security Engineer Location: 100% Remote (Travel 10% of the time) Long Term Contract: 12+ Months with possible extensions or perm conversion Pay on Contract: $75.00 - $95.00 / hourly (Based on experience) APPLY HERE: Please send a resume to Skylar at Required: MUST HAVE ACTIVE DOD SECRET CLEARANCE IAT Level 2 Certification Bachelors degree with 12+ years of experience or Masters degree with 10+ years of experience. Expert understanding of networki

Information Security Systems Engineer

Leidos

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

Principal/Architect Security Engineer

HAYS

Washington, District of Columbia, USA

Full-time

Principal/Architect Security Engineer - Permanent - Remote - $150000.00 - $160000.00/hr. The final salary or hourly wage, as applicable, paid to each candidate/applicant for this position is ultimately dependent on a variety of factors, including, but not limited to, the candidate's/applicant's qualifications, skills, and level of experience as well as the geographical location of the position. Applicants must be legally authorized to work in the United States. Visa sponsorship is not availabl