Penetration Testing jobs in Herndon, VA

Remote

•

10d ago

Role Summary This position is a senior-level offensive security analyst responsible for planning, executing, and overseeing penetration testing activities across web applications, APIs, networks, and cloud infrastructure. The role involves leading internal and third-party security assessments, analyzing findings, and driving remediation efforts to enhance the organizations security posture. Collaboration with cross-functional teams and continuous improvement of testing methodologies are key comp

Easy Apply

Contract, Third Party

Depends on Experience

Senior Penetration Testing Engineer

Washington, District of Columbia

•

Today

Senior Penetration Testing Engineer Concurrent Technologies Corporation On-Site Washington, DC (Metro Area) Minimum Clearance Required: Active TS/SCI with FRD/RD/NATO eligibility or access required Clearance Level Must Be Able to Maintain: TS/SCI with FRD/RD/NATO eligibility or access required This position is contingent upon contract award. Any offer of employment is dependent upon CTC's successful contract award and funding authorization. Candidates may be contacted for interviews and pre-

Full-time

USD 150,000.00 - 170,000.00 per year

Penetration Testing, Software Assurance and Vulnerability Assessment Engineer

Washington, District of Columbia

•

11d ago

One Federal Solution is seeking a highly skilled cybersecurity professional to provide senior-level penetration testing, software assurance, and vulnerability assessment engineering support. The successful candidate will conduct comprehensive security assessments using industry-standard automated tools, identify and analyze vulnerabilities, and develop actionable remediation recommendations. Responsibilities include supporting vulnerability management, security patching, secure cloud and hybrid

Full-time

Cybersecurity Engineer

Arlington, Virginia

•

Today

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company within global Accenture. Recognized as a Glassdoor Top 100 Best Place to

Full-time

USD 135,200.00 - 278,500.00 per year

Senior Vulnerability Engineer

Reston, Virginia

•

Today

Be Challenged and Make a Difference In a world of technology, people make the difference. We believe if we invest in great people, then great things will happen. At AnaVation, we provide unmatched value to our customers and employees through innovative solutions and an engaging culture. Description of Task to be Performed: AnaVation is seeking a Senior Vulnerability Engineer to join our team and support our mission critical customer in Reston, VA. As our Senior Vulnerability Engineer, you will

Full-time

Senior Cyber Security Analyst

Hybrid in Washington, District of Columbia

•

3d ago

Position Senior Cyber Security AnalystLocation Washington DC (Hybrid)Type ContractJob DescriptionRole Description:TheSenior Cyber Security Analyst is responsible for the administration of deployed cyber control technologies. The role is part of the Security Operation Center (SOC) which monitors, analyzes, detects, and responds to cyber incidents on both traditional IT and Operational Technology (OT) networks. The role coordinates with both the Information Technology (IT) team and Operational Te

Easy Apply

Contract, Third Party

Depends on Experience

Information Security Systems Officer - DOL

Washington, District of Columbia

•

2d ago

Company DescriptionTechSurSolutions is a digital services company whose mission is to enable digital transformation for our customers to improve quality and efficiency.Based in the DC metropolitan area,TechSurspecializes in advanced cloud services, modernization for both ITstructuresand applications, leveraging Agile development, and Data Analytics.Since we were formed inAugust of2016,we have supported multiple impactful and excitinggovernment programs. Job DescriptionTechSur is seeking an Info

Full-time

Depends on Experience

Senior Software Developer (Red Team)

Fort Belvoir, Virginia

•

Today

Oak Grove Technologies, LLC, a dynamic and fast-growing federal contractor, is seeking a highly skilled and motivated Senior Red Team Software Developer. Oak Grove Technologies is a Service-Disabled Veteran-Owned Business based in Raleigh, NC, with a Test and Training Center located near Fort Bragg and Camp Mackall. With over 20 years of expertise in training, consulting, technology, and operational support, the company provides services to the military, government, and law enforcement. Committ

Full-time

AI Security & LLM Engineer

Reston, Virginia

•

Today

Be Challenged and Make a Difference In a world of technology, people make the difference. We believe if we invest in great people, then great things will happen. At AnaVation, we provide unmatched value to our customers and employees through innovative solutions and an engaging culture. Description of Task to be Performed: The AI Security & LLM Engineer willdesign, secure, and optimize our next-generation generative AI infrastructure. In this role, you will bridge the gap between advanced AI cap

Full-time

Senior Penetration Tester

Washington, District of Columbia

•

Today

Overview: GovCIO is currently hiring for a Senior Pentration Tester with an active TS/SCI clearance to support DHS onsite in Washington, DC. Responsibilities: The Senior Penetration Tester serves as Key Personnel responsible for leading advanced penetration testing and vulnerability assessment activities within a TS/SCI environment. This role ensures mission-critical security assurance across enterprise systems, applications, and cloud infrastructures by applying deep technical expertise, zer

Full-time

USD 124,540.00 - 180,000.00 per year

Red Team Software Developer

Fort Belvoir, Virginia

•

Today

Oak Grove Technologies, LLC, a dynamic and fast-growing federal contractor, is seeking a highly skilled and motivated Red Team Offensive Software Developer. Oak Grove Technologies is a Service-Disabled Veteran-Owned Business based in Raleigh, NC, with a Test and Training Center located near Fort Bragg and Camp Mackall. With over 20 years of expertise in training, consulting, technology, and operational support, the company provides services to the military, government, and law enforcement. Comm

Full-time

CANO/WiFi Software Developer- C/C#

Fort Belvoir, Virginia

•

Today

Oak Grove Technologies, LLC, a dynamic and fast-growing federal contractor, is seeking a highly skilled and motivated CANO/Wifi Developer (C/C#) to join our team! In this role you will conduct offensive development for Windows environments. Oak Grove Technologies is a Service-Disabled Veteran-Owned Business based in Raleigh, NC, with a Test and Training Center located near Fort Bragg and Camp Mackall. With over 20 years of expertise in training, consulting, technology, and operational support,

Full-time

ICS/SCADA & Critical Infrastructure Engineer - TS/SCI Polygraph Required

Reston, Virginia

•

Today

Leidos has an opening for a ICS/SCADA & Critical Infrastructure Engineer in Reston, Virginia. The primary focus of this group is understanding commercial and heavy industrial facilities, as well as the interoperability of systems managed by industrial control systems (ICS) and building management systems (BMS). Candidates must bring a creative yet practical approach to identifying and solving challenges involving these interconnected systems in customer environments. Successful candidates will

Full-time

USD 87,100.00 - 157,450.00 per year

ICS/SCADA & Critical Infrastructure Engineer - TS/SCI Poly

Reston, Virginia

•

Today

Leidos is seeking an experienced ICS/SCADA & Critical Infrastructure Engineer to join our team in Reston, Virginia. This role focuses on understanding commercial and heavy industrial facilities, as well as the interoperability of systems managed through Industrial Control Systems (ICS) and Building Management Systems (BMS). The ideal candidate will bring a creative yet practical approach to identifying and solving complex challenges involving interconnected facility systems. Success in this rol

Full-time

USD 107,900.00 - 195,050.00 per year

Senior Network Engineer

Chantilly, Virginia

•

Today

Job ID: 2614034 Location: Chantilly, VA, US Date Posted: 2026-07-22 Category: Information Technology Subcategory: Network Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: TS.SCI_wPoly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description SAIC has an immediate opening for a Senior Network Engineer to work on an exciting program in Chantilly! ?The successful candidate will bring deep network engineering and opera

Full-time

USD 200,001.00 - 240,000.00 per year

Penetration Tester

Beltsville, Maryland

•

Today

Location: Beltsville, MD Salary: $60.00 USD Hourly - $70.00 USD Hourly Description: The Judge Group is currently seeking a Penetration Tester with an active secret clearance to support a classified customer in Beltsville, MD. This position is onsite five days per week. Core Requirements Active Security Clearance Federal Contracting ExperienceFamiliarity with working in government environments, including compliance with NIST, FISMA, and FedRAMP standards. Technical Skills Penetration Testin

Contract

USD 60.00 - 70.00 per hour

Senior Information System Security Officer

Reston, Virginia

•

Today

Requisition ID: 3761Standard Title: Required Security Clearance: Top Secret/SCI with CI PolygraphLocation: Reston, VAWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Position Summary Base-2 Solutions is seeking a Senior Information Systems Security Officer responsible for safeguarding computer networks and systems to ensure data security, integrity, and confidentiality at the highest standards. Essential Duties and Responsibilities Designs, develops, im

Full-time

Cyber Defense & Incident Responder (SOC Analyst)

Fairfax, Virginia

•

Today

Quick Overview: 100% work on site - no remote workSecret clearance with the ability to acquire a TSLocations near the Pentagon or Mayfield VACustomer DEAIntermediate SOC Analyst6 years with Bachelor Position Summary The Cyber Defense & Incident Responder is responsible for monitoring, analyzing, and responding to cybersecurity incidents in accordance with established procedures. This role focuses on incident triage, investigation, containment, and recovery to minimize impact and restore normal

Full-time

USD 130,000.00 per year

Government and Public Sector - Cybersecurity - Penetration Tester - Senior Consultant

McLean, Virginia

•

Today

At EY, we're all in to shape your future with confidence. We'll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help to build a better working world. Government and Public Sector - Cybersecurity - Penetration Tester - Senior Consultant From strategy to execution, the Government & Public Sector practice ("GPS") of Ernst & Young provides a full range of consulting and audit services to help our Federal, State, Loca

Full-time

USD 104,800.00 - 192,200.00 per year

Intermediate Threat Hunt Analyst

Washington, District of Columbia

•

Today

Req ID: 41812 Summary Intermediate Threat Hunt Analyst Washington, D.C. 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 employers 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 you

Full-time

USD 103,400.00 - 123,000.00 per year

Penetration Testing jobs in Herndon, VA 20170, USA