Network Security Jobs in Washington, DC

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Cyber Network Forensic Analyst IV

Nightwing

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

Engineering Apprentice - SE/I&T

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

Senior Solutions Architect, National Security Solutions Architecture Team

Amazon Web Services, Inc.

Lanham, Maryland, USA

Full-time

Amazon Web Services is seeking a Solutions Architect to support our US Government customers in the Northern Virginia \ DC Metro area (relocation assistance available).Do you like helping U.S. Intelligence Community agencies implement innovative cloud computing solutions and solve technical problems? Would you like to do this using the latest cloud computing technologies? Do you have a knack for helping these groups understand application architectures and integration approaches, and the consulta

Cyber Security Analyst Senior Advisor - TS/SCI w/Poly

General Dynamics

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: Cyber Security Job Qualifications: Skills: Cybersecurity, Security Assurance, Security Policies Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Ensure the safety and security of our nation as a Cyber Security Analyst Senior Advis

Project Lead / Cyber Security Analyst

Chenega MIOS

Washington, District of Columbia, USA

Full-time

Req ID: 35905 Summary Project Lead / Cyber Security Analyst Washington, DC Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer's core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large-scale government operations by leveraging cutting-edge technology and take

Network Administrator

Cymertek Corporation

Reston, Virginia, USA

Full-time

Network 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 skilled and proactive Network Administrator to manage and support our organization's network infrastructure. In this role, you will ensure the reliability, security, and performance of our systems by maintaining hardware, troubleshooting network issues, and optimizing connectivity. Collaborating with a dynamic team, you will play

Platform Engineer - Technical Lead

Leidos

Washington, District of Columbia, USA

Full-time

Description Leidos is looking for a Platform Engineer - Technical Lead to support a large program within a Federal Law Enforcement Agency. The Platform Engineer Technical Lead will oversee the design, development, and maintenance of enterprise-grade platform solutions. This includes managing cloud infrastructure, on-premise environments, and containerized applications. As a subject-matter expert (SME), you will be responsible for implementing best practices, optimizing performance, ensuring secu

Senior Solutions Architect, National Security Solutions Architecture Team

Amazon Web Services, Inc.

Beltsville, Maryland, USA

Full-time

Amazon Web Services is seeking a Solutions Architect to support our US Government customers in the Northern Virginia \ DC Metro area (relocation assistance available).Do you like helping U.S. Intelligence Community agencies implement innovative cloud computing solutions and solve technical problems? Would you like to do this using the latest cloud computing technologies? Do you have a knack for helping these groups understand application architectures and integration approaches, and the consulta

Cybersecurity Engineer

Motion Recruitment Partners, LLC

Manassas, Virginia, USA

Full-time

One of our clients in the end-to-end technology solutions space is seeking a Cybersecurity Engineer with Networking expertise to join their team and support their company and multiple customers in the government sector. The ideal candidate will aid the Chief Security Engineer in developing and implementing strategic guidance, develop best practices, and work initiatives to strengthen our cybersecurity posture across our products and the organization, as well as have a background in network desig

Sr Engineer - Federal

Lumen

Herndon, Virginia, USA

Full-time

About Lumen Lumen connects the world. We are igniting business growth by connecting people, data and applications - quickly, securely, and effortlessly. Together, we are building a culture and company from the people up - committed to teamwork, trust and transparency. People power progress. We're looking for top-tier talent and offer the flexibility you need to thrive and deliver lasting impact. Join us as we digitally connect the world and shape the future. The Role The Sr Engineer will lead

Senior Cybersecurity Information System Security Engineer

LMI Government Consulting (Logistics Management In

Fort Belvoir, Virginia, USA

Contract

Overview LMI is seeking a skilled Senior Cybersecurity Information Systems Security Engineer (ISSE) to support US Army PEO Soldier at Ft. Belvoir, Virginia. The ISSE will drive efforts that support software and hardware cybersecurity Risk Management Framework (RMF) Authority to Operate (ATO). LMI is committed to powering a future-ready, high-performing government with integrated capabilities that incorporate emerging technologies. Founded in 1961, LMI has a legacy of helping the Department of

AWS Operations Engineer

Booz Allen Hamilton

Springfield, Virginia, USA

Full-time

Job Number: R0215481 AWS Operations Engineer The Opportunity: As a DevOps engineer, you know how to set up cloud environments and provision computer networking, storage, and virtual networks-ultimately, how to "harness the cloud." We're looking for an experienced DevOps infrastructure engineer like you to support our clients as they modernize their IT infrastructures and meet their most challenging missions. As a DevOps infrastructure engineer at Booz Allen, you'll work closely with cloud archi

System Administrator

SAIC

Linthicum Heights, Maryland, USA

Full-time

Job ID: 2505510-LINTHICUM-MD Location: LINTHICUM, 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) Direct

Information Systems Security Engineer (ISSE)

Cymertek Corporation

Reston, Virginia, USA

Full-time

Information Systems Security Engineer (ISSE) LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a proactive and skilled **Information Systems Security Engineer (ISSE)** to join our team and play a critical role in ensuring the security and integrity of our information systems. In this role, you will design, implement, and maintain security solutions to safeguard sensitive data and infrastructure. You will c

Splunk Engineer - Placement

Apex Systems

Oxon Hill, Maryland, USA

Full-time

Job#: 2071393 Job Description: Apex Systems is seeking a highly skilled Splunk Security Engineer with expertise in Cribl to join our clients Splunk Engineering team. The ideal candidate will play a key role in designing, implementing, and maintaining DHS' Splunk environment, leveraging Cribl for data processing and routing. If interested, email your resume. #clearance Position: Splunk Engineer Location: Hybrid - 2x onsite at National Harbor, 3x remote Hours: Regular business hours Compensatio

Information Systems Security Manager (ISSM)

Cymertek Corporation

Chantilly, Virginia, USA

Full-time

Information Systems Security Manager (ISSM) 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 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 complianc

SIEM Engineer

Cymertek Corporation

Chantilly, Virginia, USA

Full-time

SIEM Engineer LOCATION Chantilly, VA 20151 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 w

Solution Network Consultant Sr Staff - Federal TS/SCI with CI Polygraph

Juniper Networks

Herndon, Virginia, USA

Full-time

At Juniper, we believe the network is the single greatest vehicle for knowledge, understanding, and human advancement the world has ever known. To achieve real outcomes, we know that experience is the most important requirement for networking teams and the people they serve. Delivering an experience-first, AI-Native Network pivots on the creativity and commitment of our people. It requires a consistent and committed practice, something we call the Juniper Way. Reporting to the Manager of Advan

Information System Security Officer

Cymertek Corporation

Tysons, Virginia, USA

Full-time

Information System Security Officer LOCATION Tysons, VA 22182 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 System Security Officer (ISSO) to join our cybersecurity team. In this role, you will be responsible for maintaining the security posture of information systems, ensuring compliance with security policies, and managing risk through the implementation of robust security measures.

Cross Domain Provisioning Engineer

CACI International, Inc.

Springfield, Virginia, USA

Full-time

Cross Domain Provisioning Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity: Transport Cyber Security Services (TCS) is a premier, long-term contract with the National Geospatial-Intelligence Agency (NGA); the functional capabilities for which provide the information technology (IT) infrastructure services required to de