network security Jobs in district of columbia

241 - 260 of 1,063 Jobs

Network EngineerJob Title - Network Engineer

Cymertek CorporationCompany Name - Cymertek Corporation

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Tysons, Virginia, USA

Full-time

Network Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and proactive Network Engineer to join our team and play a key role in designing, implementing, and maintaining our network infrastructure. In this role, you will ensure the reliability, security, and scalability of our network systems, troubleshoot issues, and optimize performance to meet the needs of a dynamic and growing organi

Engineering Apprentice-IntegrationJob Title - Engineering Apprentice-Integration

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Manassas, Virginia, USA

Full-time

Standard Job Description For use only with approval from corporate compensation or RMS Compensation. An employee in the engineering apprenticeship program will perform a variety of duties in the sustainment of existing products to include: assisting with engineering documentation, technical data maintenance and modification, training material maintenance, and mechanical, electrical maintenance to include grooming, upgrade, and modification of program products and test platforms. This employee w

Sr. Technical Support Engineer, US Government, Strata (2pm to 11pm Central Time - Late Shift)Job Title - Sr. Technical Support Engineer, US Government, Strata (2pm to 11pm Central Time - Late Shift)

PaloAlto NetworksCompany Name - PaloAlto Networks

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Reston, Virginia, USA

Full-time

Company Description ** To comply with U.S. federal government requirements, U.S. citizenship is required for this position. ** ** Late shift role (Working Hours 2:00 pm - 11:00 pm Central Time) ** Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging

Principal Network Engineer /Trainer (Onsite)Job Title - Principal Network Engineer /Trainer (Onsite)

RTX CorporationCompany Name - RTX Corporation

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Annapolis, Maryland, USA

Full-time

Date Posted: 2025-06-12 Country: United States of America Location: HMD31: Annapolis, MD 2551 Riva Road , Annapolis, MD, 21401-7435 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Must be authorized to work in the U.S. without the company's immigration sponsorship now or in the future. The company will not offer immigration sponsorship for this position. The company will not seek an export authorization for this role. Security Clearance: None/Not R

SIEM EngineerJob Title - SIEM Engineer

Cymertek CorporationCompany Name - Cymertek Corporation

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Reston, Virginia, USA

Full-time

SIEM Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and proactive SIEM Engineer to join our cybersecurity team and play a critical role in safeguarding our systems and data. In this role, you will design, implement, and manage Security Information and Event Management (SIEM) solutions, ensuring real-time monitoring, threat detection, and effective incident response. Collaborating with

Cloud/DevOps Engineer.Job Title - Cloud/DevOps Engineer.

NightwingCompany Name - Nightwing

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Remote or Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Firewall Security EngineerJob Title - Firewall Security Engineer

HL Solutions LLCCompany Name - HL Solutions LLC

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Remote

Contract, Third Party

Firewall Security Engineer Required Qualifications Bachelor s degree in Computer Science, Cybersecurity, or related field (or equivalent experience)7+ years of experience in network security, firewall management, or related rolesStrong experience with Palo Alto Firewalls, Panorama, and IDS/IPSExperience managing Infoblox IPAMIn-depth understanding of:Threat analysis and responseSystem security vulnerabilitiesAuthentication and security protocolsNetwork protocols (e.g., TCP/IP, UDP, IPSEC, HTTP)H

Network System AdministratorJob Title - Network System Administrator

Cymertek CorporationCompany Name - Cymertek Corporation

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Reston, Virginia, USA

Full-time

Network System Administrator 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 dedicated and detail-oriented Network Systems Administrator to join our team and oversee the design, implementation, and maintenance of our network and system infrastructure. In this role, you will ensure the reliability, security, and efficiency of both network operations and system performance. Collaborating with a team

System Security EngineerJob Title - System Security Engineer

Cymertek CorporationCompany Name - Cymertek Corporation

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Tysons, Virginia, USA

Full-time

System Security Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly motivated and detail-oriented System Security Engineer to design, implement, and maintain security measures that protect our critical systems and data. In this role, you will work closely with cross-functional teams to identify vulnerabilities, develop robust security solutions, and ensure compliance with industry standards

CNO Software Developer with C and PythonJob Title - CNO Software Developer with C and Python

Cymertek CorporationCompany Name - Cymertek Corporation

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Reston, Virginia, USA

Full-time

CNO Software Developer with C and Python 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 talented CNO (Computer Network Operations) Software Developer with expertise in C and Python to join our team. In this role, you will develop and maintain software solutions that support critical network operations, ensuring the performance, security, and efficiency of our systems. The ideal candidate will have

Cyber Network Forensic Analyst IIIJob Title - Cyber Network Forensic Analyst III

NightwingCompany Name - Nightwing

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Sterling, Virginia, USA

Full-time

AWS Full Stack DeveloperJob Title - AWS Full Stack Developer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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McLean, Virginia, USA

Full-time

Job Number: R0218953 AWS Full Stack Developer The Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop sof tware, but to create a system that will make a difference, we need you on our team. We're looking for an experienced developer like you with the skills needed to develop sof tware and systems from vision to production-ready. This role is more than just coding.

Cross-Domain Software DeveloperJob Title - Cross-Domain Software Developer

Cymertek CorporationCompany Name - Cymertek Corporation

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Reston, Virginia, USA

Full-time

Cross-Domain Software Developer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and innovative Cross-Domain Software Developer to design, implement, and maintain secure solutions for transferring data across varied security domains. In this role, you will work on cutting-edge technologies to develop software that ensures seamless and secure communication between systems with differing classifi

IT Security SpecialistJob Title - IT Security Specialist

Cymertek CorporationCompany Name - Cymertek Corporation

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Chantilly, Virginia, USA

Full-time

IT Security Specialist 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 dedicated IT Security Specialist to join our team and safeguard our organization's digital assets. In this role, you will be responsible for identifying and mitigating security risks, implementing best practices, and ensuring the integrity and confidentiality of sensitive information. The ideal candidate w

Cybersecurity AnalystJob Title - Cybersecurity Analyst

Cymertek CorporationCompany Name - Cymertek Corporation

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Reston, Virginia, USA

Full-time

Cybersecurity Analyst LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a dedicated and detail-oriented Cybersecurity Analyst to join our team and help safeguard our systems and data from potential threats. In this role, you will monitor and analyze security events, identify vulnerabilities, and implement measures to protect against cyberattacks. You will work closely with teams across the organization to

Engineering Apprentice - Systems EngineeringJob Title - Engineering Apprentice - Systems Engineering

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Manassas, Virginia, USA

Full-time

Information Systems Security Officer (ISSO)Job Title - Information Systems Security Officer (ISSO)

Cymertek CorporationCompany Name - Cymertek Corporation

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Chantilly, Virginia, USA

Full-time

Information Systems Security Officer (ISSO) LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a detail-oriented and proactive Information Systems Security Officer (ISSO) to support and maintain the security of our information systems. In this role, you will be responsible for ensuring systems operate in compliance with established security policies, procedures, and regulations. You will work closely wit

Senior Firewall EngineerJob Title - Senior Firewall Engineer

SAICCompany Name - SAIC

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Quantico, Virginia, USA

Full-time

Job ID: 2507101 Location: QUANTICO, VA, US Date Posted: 2025-07-02 Category: Information Technology Subcategory: Network Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: No Description Introduction: Make a difference for national security by joining a team of dedicated IT professionals who will sustain, modernize and transform the enterprise IT capa

Cyber Network Forensic Analyst IIJob Title - Cyber Network Forensic Analyst II

NightwingCompany Name - Nightwing

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Sterling, Virginia, USA

Full-time

Network ArchitectJob Title - Network Architect

Aduril IndustriesCompany Name - Aduril Industries

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Washington, District of Columbia, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c