network security Jobs in washington, dc

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Information Systems Security Officer (ISSO)

Navigant Consulting

Springfield, Virginia, USA

Full-time

Job Family: IT Cyber Security Travel Required: None Clearance Required: Active Top Secret SCI (TS/SCI) What You Will Do: The ISSO will support a large IC client Security & Infrastructure Office with information and data security procedures and processes. Regular duties will include: Operate within cleared environments to perform Information Assurance specific activities for customer needs and timelines.Perform assessments of systems and networks within the networking environment and identify

Information Systems Director

General Dynamics Information Technology

Maryland, 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 Systems Management Job Qualifications: Skills: Computer Security, Information Systems, Security Architecture Design, System Security Certifications: Security + - CompTIA Experience: 9 + years of related experience ship Required: Yes Job Description: Information Systems

Cyber Engineer

Leidos

Chantilly, Virginia, USA

Full-time

Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector (NSS) combines technology-enabled services and mission software capabilities in th

Information System Security Engineer

Cymertek Corporation

Tysons, Virginia, USA

Full-time

Information 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 skilled and proactive Information System Security Engineer to join our cybersecurity team. In this role, you will design, implement, and maintain security solutions to protect critical information systems and ensure compliance with established security standards. You will collaborate with cross-functional teams to asse

Network Engineer III

General Dynamics

Springfield, 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: Job Family: Network Engineering Job Qualifications: Skills: Enterprise Security Architecture (ESA) Fundamentals, Secure Network Architecture, Standard Operating Procedures Preparation Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Job Description

iOS Vulnerability Engineer (Software)

Cymertek Corporation

Reston, Virginia, USA

Full-time

iOS Vulnerability Engineer (Software) 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 highly skilled and innovative iOS Vulnerability Engineer (Software) to join our team and help identify, analyze, and mitigate security vulnerabilities in iOS systems and applications. In this role, you will focus on uncovering potential threats, developing secure solutions, and ensuring the integrity of iOS platfo

Information Systems Director

General Dynamics Information Technology

Maryland, 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 Systems Management Job Qualifications: Skills: Computer Security, Information Systems, Security Architecture Design, System Security Certifications: Security + - CompTIA Experience: 9 + years of related experience ship Required: Yes Job Description: Information Systems D

Network Architect- 100% Remote

Motion Recruitment Partners, LLC

Remote or Arlington, Virginia, USA

Full-time

Network Architect The Network Architect is responsible for designing, maintaining, troubleshooting, and optimizing secure and efficient network systems to ensure high availability and robust security for business applications and supported systems. This role is crucial in developing and supporting the firm's networks, including LAN, WLAN, and WAN, as well as configuring and deploying SD-WAN, firewalls, routers, and other network devices to enhance security and scalability. Additionally, the Netw

Cross Domain Specialist

Booz Allen Hamilton

Columbia, Maryland, USA

Full-time

Job Number: R0213714 Cross Domain Specialist The Opportunity: Your te chn ical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the te chn ology supporting the U.S. Federal Government? We're looking for a Cross Domain Spe cia list to help us design, deploy, and maintain Cross Domain Solutions for an enterprise environment. As a Cross Domain Spe cia list on our project, you'll constantly look for ways to make the infrastructure b

Engineering Apprentice-Integration

Lockheed Martin Corporation

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

CSOC Technical Lead

Constellation Software Engineering, Corp.

Rockville, Maryland, USA

Full-time

CSOC Technical Lead **Immediate Opportunity** **Onsite** Constellation Software Engineering (CSE) is seeking a dynamic and experienced CSOC Technical Lead to join our team. In this pivotal role, you will lead a talented group of Tier 1 and Tier 2 personnel, while also serving as the Tier 3 Subject Matter Expert (SME). This techno-functional position offers a unique blend of leadership and hands-on technical responsibilities. You will guide and mentor our CSOC team, perform digital forensics, co

Senior Cyber Security Analyst (Hybrid Role)

ICF

Remote or Arlington, Virginia, USA

Full-time

ICF is a mission-driven company filled with people who care deeply about improving the lives of others and making the world a better place. We're seeking an experienced Senior Cyber Security Analyst to support the research and development of new cyber analytic capabilities to help the US protect and defend its networks and critical information systems. The successfully cleared candidate will be a senior cybersecurity analyst supporting a large federal cybersecurity analytic program. Your work w

Senior Systems Administrator

ICF

Reston, Virginia, USA

Full-time

ICF is looking for a System Administrator to work with an Agile team to deliver value quicky, confidently, inexpensively, and securely. This position requires an active Department of Defense Top Secret (or higher) security clearance. Working at ICF means applying a passion for meaningful work with intellectual rigor to help solve the leading issues of our day. Smart, compassionate, innovative, committed, ICF employees tackle unprecedented challenges to benefit people, businesses, and government

Information Systems Security Manager (ISSM)

Cymertek Corporation

Reston, Virginia, USA

Full-time

Information Systems Security Manager (ISSM) 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 results-driven Information Systems Security Manager (ISSM) to lead and oversee the security management of our information systems. In this pivotal role, you will be responsible for ensuring the confidentiality, integrity, and availability of organizational systems while maintaining compliance w

Business Process Engineer 2

Realm One

Annapolis, Maryland, USA

Full-time

ORANGE you glad that you chose RealmOne? RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this journey as we execute t

Information Systems Security Officer (ISSO)

Cymertek Corporation

Reston, Virginia, USA

Full-time

Information Systems Security Officer (ISSO) 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 **Information Systems Security Officer (ISSO)** to join our team and take ownership of ensuring the security and integrity of our information systems. In this role, you will be responsible for implementing and overseeing security policies, managing risk assessments, and ensuring com

Network Infrastructure Engineer

Motion Recruitment Partners, LLC

Ashburn, Virginia, USA

Full-time

A fast-growing startup at the intersection of AI and decentralization is seeking a sharp Network Infrastructure Engineer to help scale mission-critical infrastructure. This role is a unique blend of DevOps, physical infrastructure, and network architecture-perfect for someone who enjoys tackling complex infrastructure challenges at scale. They recently stood up a data center in Ashburn, VA, so while the position is mostly remote, we're looking for someone local who can be on-site when needed to

Network Architect

Cymertek Corporation

Tysons, Virginia, USA

Full-time

Network Architect 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 innovative Network Architect to join our team and help design and implement scalable, secure, and high-performance network infrastructures. In this role, you will work closely with other technical teams to create robust network architectures that meet the growing needs of our organization and clients. You will be responsible

Washington, DC - Senior Network Engineer

Unisys

Washington, District of Columbia, USA

Full-time, Contract

Hello,Senior Network Engineer Washington, DC 6 months, extensionThe Network Engineer will be responsible for the design, configuration, monitoring, and troubleshooting of our enterprise network infrastructure. This includes utilizing tools such as Nagios for network monitoring, Cisco Prime for network management, Cisco Identity Services Engine (Client) for access control, and Splunk for network logging and analysis. The ideal candidate will have a deep understanding of network technologies and s

System Administrator

SAIC

Elkridge, Maryland, USA

Full-time

Job ID: 2505510-ELKRIDGE-MD Location: ELKRIDGE, MD, US Date Posted: 2025-05-08 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: No Description SAIC is seeking a System Administrator to support the U.S. Army Combat Capabilities Development Command (CCDEVCOM), Engineering and Systems Integration (ESI) Director