Cybersecurity Engineer (Network) Jobs in Virginia

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Software Engineer - Sr. Consultant level (Java) - (Hybrid/Onsite)

Visa Inc.

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Remote or Austin, Texas, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe
Posted 9 days ago | Updated 2 hours ago

Copy of Sr. Technical Support Engineer, US Government, XSOAR (2pm to 11pm Central Time - Late Shift)

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
Posted 8 days ago | Updated 2 hours ago

Swarm Machine Learning Engineer (Remote)

Cisco Systems, Inc.

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Remote

Full-time

The application window is expected to close on 8/15/2025. Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received. Strong preference will be given to candidates located in Austin, TX; Dallas Metro; Boulder, CO; Bay Area Metro; Atlanta Metro; Ann Arbor, MI; Boston Metro; Fulton/DC Metro; Seattle, WA; and Research Triangle Park AI at Cisco With Cisco, you're not just embracing the future - you're helping create it! We are focused on i
Posted 13 days ago | Updated 2 hours ago

Sr. OT Systems Engineer

Calance

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Springfield, Virginia, USA

Contract

Position Summary Acts as a technical expert for the Operations Technology (OT) engineering team who performs the engineering, configuration and deployment of the network and virtual server infrastructure that supports the organization's OT environment. Responsible for the security, reliability, and performance of the OT environment to ensure the safe and reliable delivery of natural gas. This position will utilize multidiscipline knowledge of and experience in network infrastructure (enterprise
Posted 5 days ago | Updated 10 hours ago

Sr. Technical Support Engineer, US Government, Strata

PaloAlto Networks

•

Reston, Virginia, USA

Full-time

Company Description 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 and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of
Posted 7 days ago | Updated 2 hours ago

Network Administrator

Cymertek Corporation

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Tysons, Virginia, USA

Full-time

Network Administrator 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 Administrator to join our team and ensure the reliability, security, and efficiency of our organization's network infrastructure. In this role, you will be responsible for maintaining and optimizing network performance, troubleshooting connectivity issues, and implementing solutions to enhance system ope
Posted 60+ days ago | Updated 2 hours ago

Network Administrator

Cymertek Corporation

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Chantilly, Virginia, USA

Full-time

Network Administrator 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 Network Administrator to join our team and ensure the reliability, security, and efficiency of our organization's network infrastructure. In this role, you will be responsible for maintaining and optimizing network performance, troubleshooting connectivity issues, and implementing solutions to enhance system
Posted 60+ days ago | Updated 2 hours ago

Blue Team Engineer **

SimVentions, Inc

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Virginia Beach, Virginia, USA

Full-time

Overview SimVentions, consistently voted one Virginia's Best Places to Work, is looking for an experienced professional to join our team! As a Blue Team Engineer, you will support Blue Team operations and collaborate with Red Team and Cybersecurity professionals on overall cyber readiness defense and system accreditation efforts. ** Position is contingent upon award of contract, anticipated in December of 2025. ** Clearance An ACTIVE Secret clearance (IT Level II Tier 5 / Special-Sensitive Po
Posted 60+ days ago | Updated 2 hours ago

Mid Software Reverse Engineer

Booz Allen Hamilton

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Charlottesville, Virginia, USA

Full-time

Job Number: R0221866 Software Reverse Engineer, Mid Key Role: Work as part of a vast team supporting a DoD client. Apply the expertise required to perform in-depth technical evaluations of foreign computer and network technologies through the analysis and identification of sof tware capabilities and vulnerabilities of specified non-US warfighting subsystems, using sof tware program code disa ssembly and reverse engineering. Author concise Scientific and Technical Intelligence ( S & TI ) assessm
Posted 24 days ago | Updated 2 hours ago

LiveAction Engineer

ALTA IT Services

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Springfield, Virginia, USA

Full-time

LiveAction Engineer 100% remote Secret clearance is required to start We are seeking a LiveAction Engineer to support network performance monitoring and security operations for critical U.S. government systems. This role requires expertise in deploying, managing, and optimizing LiveAction's network performance monitoring and analytics (NPM/APM) tools to provide real-time visibility into complex, multi-domain government networks. The ideal candidate will work closely with cybersecurity, network
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Posted 25 days ago | Updated 10 hours ago

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
Posted 60+ days ago | Updated 2 hours ago

Platform Systems Engineer/Architect, Associate Principal

American Systems Corporation

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Arlington, 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. THIS POSITION INCLUDES A $5,000 SIGN-ON BONUS! Responsibilities As an Associate Principal Platform Systems Engineer/Architect, you will: Design, develop, and maintain scalable, secure computing platforms across cloud and on-pre
Posted 15 days ago | Updated 2 hours ago

Senior Developer Technology Engineer, Public Sector

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

We are now seeking a Senior Developer Technology Engineer for the Public Sector! NVIDIA is hiring passionate, world-class computer scientists and engineers to work in its Public Sector Developer Technology (Devtech) team! In this role, you will research and develop techniques to GPU-accelerate leading applications in fields targeting applications in the federal ecosystem. You will be performing in-depth analysis and optimization to ensure the best possible performance on current and next-genera
Posted 13 days ago | Updated 2 hours ago

Software Engineer

Nightwing

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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
Posted 14 days ago | Updated 2 hours ago

Sr. Software Engineer - Security Development and Integration

Publix

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Remote or Lakeland, Florida, USA

Full-time

Publix Super Markets, Inc. is the largest privately-owned food retailer in the nation with more than 1,200 stores and more than 200,000 associates throughout the Southeast. We are associate-owned, proud of our family atmosphere, and consistently named as one of the best companies to work for in America. We are largely debt-free and renowned for our financial performance as well as our premier customer service. Publix?s Information Services (I/S) department is located in Lakeland, Florida and Alp
Posted 4 days ago | Updated 2 hours ago

Network System Administrator

Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

Network System Administrator 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 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
Posted 60+ days ago | Updated 1 hour ago

Network System Administrator

Cymertek Corporation

•

Chantilly, Virginia, USA

Full-time

Network System Administrator 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 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 te
Posted 60+ days ago | Updated 1 hour ago

Network System Administrator

Cymertek Corporation

•

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
Posted 60+ days ago | Updated 1 hour ago

Continuous Monitoring Engineer (ConMon)

Leidos

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Alexandria, Virginia, USA

Full-time

Leidos is seeking multiple ConMon Engineers to be responsible for overseeing and monitoring all authorized IT systems (re-authorization and new systems) throughout their lifecycle for security posture impact. These positions can be based out of any of our three locations - Alexandria, VA, Fort Meade, MD, or Chambersburg, PA. These positions are primarily on-site, but some partial telework may be available at the discretion of our customer and program management. Some travel may be required. Res
Posted 14 days ago | Updated 2 hours ago

Cybers Security Data Engineer, Contract Capabilities

Rockwell Automation

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Remote or Mayfield Heights, Ohio, USA

Full-time

Rockwell Automation is a global technology leader focused on helping the world's manufacturers be more productive, sustainable, and agile. With more than 28,000 employees who make the world better every day, we know we have something special. Behind our customers - amazing companies that help feed the world, provide life-saving medicine on a global scale, and focus on clean water and green mobility - our people are energized problem solvers that take pride in how the work we do changes the world
Posted 37 days ago | Updated 2 hours ago