Penetration Testing jobs in Lorton, VA

Authorizing Official Direct Representative Support Analyst

Washington, District of Columbia

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Today

Job Description ECS is seeking an Authorizing Official Direct Representative Support Analyst to work in our Washington, DC office. Serve as the primary interface between Federal and contractor staffing serving as field-level ISSOs/ISSMs around the globe, and the Federal Agency SA&A oversight program for a major Federal client on behalf of the Authorizing Official (AO) and AO Direct Representative (AODR). Provide significant cyber consultation, oversight services, authoritative technical suppor

Full-time

USD 150,000.00 - 160,000.00 per year

Senior Digital Network Exploitation Analyst

Arlington, Virginia

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Today

Job Number: R0227777 Digital Network Exploitation Analyst, Senior The Opportunity: Do you have strong analytical skills and a problem-solving mindset? Are you looking for an opportunity to use those skills to support our warfighters, protect our national security, and inform our nation's leaders? As a network and access discovery analyst, you will use your spe cia lized technical experience to support cyberspace operations and intelligence collection to enable the success of mission owners. As

Full-time

USD 86,800.00 - 198,000.00 per year

IT Engineer (Antivirus)

Vienna, Virginia

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Today

IT Engineer (Antivirus) Remote Pay Rate: Open to Both C2C and W2 options Position Type: Multiyear Contract Skills Required: Defender Performance Troubleshooting o Diagnose and resolve performance issues related to Microsoft Defender. o Review and interpret Client Analyzer logs. o Utilize tools such as ProcMon, MpPerformanceRecording, and similar for root cause analysis. o Recommend tuning strategies for Defender configurations to minimize resource impact. Policy Configuration & Deployment

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Full-time

IT Engineer (Antivirus)

Vienna, Virginia

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Today

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Contract

Cyber Systems Engineer

Fort Belvoir, Virginia

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Today

Overview Seeking a Cyber Systems Engineer to be responsible for protecting Army systems, networks, and data from potential threats. This role requires a proactive approach to identifying vulnerabilities, implementing security measures, and ensuring compliance with security standards. The Cyber Systems Engineer will work with Government Leads, cloud engineers, solution architects, and systems engineers to design and develop solutions that meet the most stringent of security standards. This posit

Full-time

Red Team Manager

Fairfax, Virginia

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Today

Job Description ECS is seeking a Red Team Manager to work remotely . At ECS Federal, we're driven by a commitment to excellence and innovation in solving complex challenges. As a premier provider of advanced technology solutions and services, our mission is to secure and optimize the most critical commercial, government, defense, and intelligence projects across the country. Our team is composed of dynamic professionals who thrive in a collaborative and empowering environment, where our team m

Full-time

USD 165,000.00 - 195,000.00 per year

AI Penetration Tester

Remote

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Yesterday

Position Summary / Purpose: Overview of the basic function and purpose of the job, and how it contributes to the successful achievement of department and organization objectives. Execute AI-focused penetration testing engagements that include manual penetration testing of systems incorporating AI/ML, objective-based testing of AI-driven features, and coverage of both traditional and AI-centric attack surfaces. Perform threat modeling for AI-powered software systems, evaluate AI-related business

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Full-time

$60 - $65

CNO Remote Delivery Operator

Remote or Quantico, Virginia

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Today

About the Organization Now is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. We're looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets. About the Role Redhorse Corporation is seeking a CNO Remote

Full-time

Information Systems Security Manager (ISSM)

Lorton, Virginia

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Today

The National Security Sector at Leidos is looking for an Information Systems Security Manager (ISSM) to support a fast-paced program with the Air Force Life Cycle Management Center. This role involves supporting the delivery of comprehensive IT and support services to ensure mission success while adhering to DoD standards and regulations. The ISSM will oversee the cybersecurity posture of DoD information systems, ensuring compliance with DoD security standards and protecting sensitive data. The

Full-time

USD 107,900.00 - 195,050.00 per year

Lead Application Penetration Tester- 4 days onsite Washington D.C.

Arlington, Virginia

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Today

Lead Application Penetration Tester As the Lead Security Engineer, you'll serve as both a technical expert and team leader, guiding a group of security testers through comprehensive assessments of a cloud-native, microservices-based environment. The company is located in Washington D.C. and will be 4 days onsite a week. What You Will Be Doing: Lead and mentor a team of security testers, ensuring consistent delivery of high-quality security assessments. Conduct comprehensive technical testing of

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Full-time

$160000 - $180000

Network Engineer

Remote or Hybrid in Merrifield, Virginia

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Today

Title: Network Engineer Location: Hybrid is preferred but remote can be optional for 8+ years of experience VA or Pensacola, FL. Duration: Initial 6 months (extendable) Work Requirements: , Holders or Authorized to work in USJob Description: * Defender Performance Troubleshooting o Diagnose and resolve performance issues related to Microsoft Defender. o Review and interpret Client Analyzer logs. o Utilize tools such as ProcMon, MpPerformanceRecording, and similar for root cause analysis. o Recom

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Contract

BASED ON EXPERIENCE

Penetration Tester

Remote

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10d ago

Recent penetration testing experience focused on APIs, web applications, and mobile applications. Experience with AI model testing or AI security is highly desirable.Proven background in AI red teaming and adversarial attack development, including prompt engineering attacks, LLM-based vulnerability analysis, and model evasion techniques.Proficiency with penetration testing tools (e.g., Burp Suite Pro, Netsparker, Checkmarx) and AI security frameworks (e.g., TensorFlow, PyTorch, LLM APIs, LangCha

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Third Party, Contract

$55 - $60

Web App Penetration Tester

Remote

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2d ago

Responsibilities: Perform manual Application penetration testing against APIs (REST/SOAP), Web Applications, Mobile applications, and thick client applications Perform threat modeling, evaluate application business logic, and perform application architecture reviews Ability to demonstrate application testing experience in real time via demos to both internal and external audiences Ability to perform objective based, abstract penetration testing engagements Ability to develop and exploit POC

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Contract

Depends on Experience

Red Team Engineer

Remote

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3d ago

Description We are seeking a skilled and motivated Senior Security Engineer - Red Team to join our offensive security team. The ideal candidate will drive the development of advanced red teaming tools and methodologies, conduct comprehensive assessments across on-premises and cloud environments, and simulate sophisticated threat scenarios to identify and mitigate security vulnerabilities. This role requires a deep understanding of offensive security tactics, attack frameworks, and the ability to

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Contract

90 - 100

Principal Cyber Defense Engineer

Washington, District of Columbia

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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 and part of global Accenture, to do work that matters in a collaborative

Full-time

USD 126,300.00 - 243,100.00 per year

F-35 Cyber Incident Responder | Active Secret clearance

Arlington, Virginia

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Cyber and IT Risk Management Job Qualifications: Skills: Cyber Security Standards, Cyber Threat Analysis, Digital Forensic Investigations Certifications: CompTIA Security+ CE | CompTIA - CompTIA Experience: 8 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Cyber

Full-time

USD 127,500.00 - 172,500.00 per year

Application Security Tester

Remote or Almont, Colorado

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Today

Required Skills: Fortify Real-Time Analyzer (RTA): Intermediate Static App Security Testing (SAST): Intermediate Dynamic App Security Testing (DAST): Intermediate Penetration Testing - Manual: Intermediate Nessus: Advanced Role Description: The Security Tester is responsible for identifying, analyzing, and reporting security vulnerabilities across network and application environments. This role performs comprehensive security assessments using automated tools and manual techniques to protect sys

Contract

competitive

Senior Cybersecurity Engineer- Hybrid Alexandria, VA

Arlington, Virginia

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Today

Senior Cybersecurity Engineer- Compliance & Risk Management This role is responsible for managing multiple regulatory frameworks-CMMC, FedRAMP, SCRM, NIST 800-171/53, and ISO 27001:2022-across hybrid cloud environments. You will lead a small team of junior engineers performing vulnerability assessments and security scanning, build and maintain security documentation and policies, respond to time-sensitive client security requests, and coordinate third-party audits. The company is located in Alex

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Full-time

$100000 - $155000

Control Systems Engineer (SCADA) - TS Clearance Required

Reston, Virginia

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Today

Leidos has an several openings for Controls Systems Engineers (SCADA) in Reston, Virginia. The primary focus of the group is understanding WMD-related facilities and interoperability of systems. Candidate must bring a creative, yet sound, approach to identifying and solving challenges with these interrelated systems in a customer setting and have exceptional attention to detail and a commitment to thoroughness. The successful candidate will work as a member of an interdisciplinary team of govern

Full-time

USD 87,100.00 - 157,450.00 per year

Penetration Tester

Remote

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8d ago

Position:Penetration Tester Duration: Long term Contract Location: Remote The job description is detailed below: Bachelors Degree required. Must be legally authorized to work in the United States without the need for employment sponsorship, now or at any time in the future.3+ years of hands-on experience inpenetration testing, with a focus on web applications and APIs. Experience participating in red team engagements or adversary simulation exercises.Strong understanding of the OWASP Top 10, web

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Contract

Depends on Experience

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Penetration Testing jobs in Lorton, VA, USA