computer network security analyst Jobs in reston, va

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961 - 980 of 3,307 Jobs

Junior Software Developer

Leidos

•

Lorton, 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 combines technology-enabled services and mission software capabilities in the area
Posted 60+ days ago | Updated 9 hours ago

Principal Elasticsearch Systems Engineer

Leidos

•

Reston, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a Principal Elasticsearch Systems 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% company match and
Posted 60+ days ago | Updated 9 hours ago

Space Protection Software Test Engineer

SAIC

•

Chantilly, Virginia, USA

Full-time

Job ID: 2506137 Location: CHANTILLY, VA, US Date Posted: 2025-05-28 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a Space Protection Software Test Engineer to join the Space and Intelligence Business Group providing Systems Engineering and Technical Assistance (SETA) services
Posted 10 days ago | Updated 7 hours ago

Elasticsearch Systems Engineer (SME)

Leidos

•

Reston, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a Elasticsearch Systems Engineer (SME) 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% company match and imm
Posted 60+ days ago | Updated 9 hours ago

DevOps Engineer- Active TS/SCI Clearance

Motion Recruitment Partners, LLC

•

Arlington, Virginia, USA

Full-time

DevOps Engineer As the DevOps Engineer, you will be at the forefront of enhancing the observability, performance, and reliability of our platform infrastructure. Your work will directly support operational excellence and bolster federal data privacy and security efforts. The candidate must have an Active TS/SCI clearance with CI Polygraph. This position is going to be onsite their Reston, Virginia, with occasional travel to client sites in downtown Washington, DC. What You Will Be Doing: Contin
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Posted 16 days ago | Updated 1 day ago

Cyber Software Developer

American Systems Corporation

•

Springfield, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities Conducts research in design, development, testing and utilization of electronic data processing software.Designs, develops, documents, tests and debugs applications software and systems that contain logical and
Posted 26 days ago | Updated 9 hours ago

IT Trainer

SAIC

•

Reston, Virginia, USA

Full-time

Job ID: 2502699 Location: RESTON, VA, US Date Posted: 2025-04-21 Category: Training Subcategory: Training Analyst Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC, a leading provider of systems development & deployment, targeting & intelligence analysis, systems engineering & integration, and training capabilities and solutions for the Intelligence Comm
Posted 60+ days ago | Updated 7 hours ago

Systems Administrator, Junior

General Dynamics

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Springfield, Virginia, 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: Systems Administration Job Qualifications: Skills: Troubleshooting, Virtual Desktop Infrastructure (VDI), Workstations Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Systems Administrator with GDIT.
Posted 6 days ago | Updated 9 hours ago

Senior Staff Engineer, Infrastructure (R3200)

Shield AI Inc

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Washington, District of Columbia, USA

Full-time

Founded in 2015, Shield AI is a venture-backed defense technology company with the mission of protecting service members and civilians with intelligent, autonomous systems. Its products include Hivemind Enterprise-EdgeOS, Pilot, Commander, and Forge-as well as V-BAT and Sentient Vision Systems (wide-area motion imaging software). With offices in San Diego, Dallas, Washington, D.C., Abu Dhabi (UAE), Kyiv (Ukraine), and Melbourne (Australia), Shield AI's technology actively supports U.S. and allie
Posted 26 days ago | Updated 9 hours ago

Senior Systems Engineer-Project Integration

Harris Corporation

•

Herndon, Virginia, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie
Posted 22 days ago | Updated 9 hours ago

Senior Systems Engineer-Project Integration

L3 Harris

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Herndon, Virginia, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie
Posted 22 days ago | Updated 12 hours ago

IT Fielding Engineer

Jacobs

•

Warrenton, Virginia, USA

Full-time

Your Impact: The mission of the Lone Wolf program is to support, operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN-TS ES) which is a DoD-provided, TS/SCI, integrated voice, video, and data, global communications network that facilitates collaboration among senior leaders and key staff. The Lone Wolf program boasts a professional workforce comprised of specialists throughout the Information Technology lifecycle and who contribute to a posi
Posted 26 days ago | Updated 9 hours ago

DevOps Engineer - TS/SCI with Polygraph

General Dynamics Information Technology

•

Herndon, 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: Systems Engineering Job Qualifications: Skills: Containerization, DevOps, Kubernetes Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Systems Engineer Advisor Deliver simple solutions to complex problems as a Systems Engineer Adv
Posted 7 days ago | Updated 12 hours ago

Sr Principal Systems Engineer - Active Directory Forests - Active Top Secret Required

General Dynamics

•

Washington, District of Columbia, 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 Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Complex Systems, Microsoft Windows Server, Systems Engineering, Systems Management, Troubleshooting Certifications: CompTIA - Security+ - CompTIA Experience: 17 + years of related experience ship Required: Yes Job Description: Sr Principal Systems Engineer -
Posted 60+ days ago | Updated 9 hours ago

Senior Software Engineer - Robotic Systems

Johns Hopkins University AppliedPhysicsLaboratory

•

Laurel, Maryland, USA

Full-time

Description Are you looking for challenging software engineering work for advanced robotic and autonomous systems? Do you thrive in a dynamic environment? Do you like to set the technical direction of projects while still contributing to them technically? If so, we're looking for someone like you to join our team at APL. We are seeking a Senior Software Engineer to help us perform rapid prototyping for the Navy's future unmanned, robotic, and autonomous systems. You will be joining a hardwo
Posted 1 day ago | Updated 9 hours ago

FLEX Endpoint Security Engineer

Marriott International

•

Bethesda, Maryland, USA

Full-time

Job Description This is a temporary position. Marriott International is seeking a highly skilled and experienced Endpoint Security Engineer to join our team. The ideal candidate will have a deep understanding of endpoint security, with expertise in areas such as Endpoint Detection and Response (EDR), Intrusion Prevention Systems (IPS), application control, file integrity monitoring and other security controls across a large hybrid environment. As a key member of our security team, you will play
Posted 42 days ago | Updated 9 hours ago

Cyber Security Engineer Technical Lead

Lockheed Martin Corporation

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Springfield, Virginia, USA

Full-time

Job Description The coolest jobs on this planet or any other are with Lockheed Martin Space. At the dawn of a new space age, Lockheed Martin Space is a pioneer, partner, innovator, and builder. Our amazing people are on a mission to make a difference in the world. Every single day, we use our unique skills and experiences to craft, design, and build solutions to some of the world's hardest engineering problems. Our culture inspires our employees to dream big; perform with excellence; and build
Posted 28 days ago | Updated 9 hours ago

Cyber Security Systems Engineer

Penn State

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Remote or State College, Pennsylvania, USA

Full-time

APPLICATION INSTRUCTIONS: CURRENT PENN STATE EMPLOYEE (faculty, staff, technical service, or student), please login to Workday to complete the internal application process. Please do not apply here, apply internally through Workday. CURRENT PENN STATE STUDENT (not employed previously at the university) and seeking employment with Penn State, please login to Workday to complete the student application process. Please do not apply here, apply internally through Workday. If you are NOT a current em
Posted 45 days ago | Updated 9 hours ago

IT Site Design Specialist

Jacobs

•

Warrenton, Virginia, USA

Full-time

Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a IT Site Design Specialist to join our team of passionate individuals in Warrenton, VA. In this role you will support challenging, mission-critical projects that make a direct impact on the Nation's security and intelligence mission. Your Impact: The mission of the Lone Wolf program is to support, operate, and maintain the Distributed Continuity Integrated Networ
Posted 7 days ago | Updated 9 hours ago

Palo Alto Specialist - India Based (Offshore)

Nasscomm, Inc.

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Remote

Contract, Third Party

Job Title: Sr. Network Security Engineer Location: Remote (Offshore) Duration: 6 months Job Description: We are seeking an experienced Sr. Network Security Engineer to join our remote offshore team. This individual will be instrumental in ensuring the security and integrity of our network infrastructure with a strong focus on Palo Alto firewall implementation, management, and optimization. Key Responsibilities: Design, deploy, configure, and maintain Palo Alto firewall infrastructure across vari
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Posted 5 days ago | Updated 3 days ago