Full-Time

Senior Penetration Tester

Agile Defense

Agile Defense

1,001-5,000 employees

Cybersecurity and IT services for government

Compensation Overview

$115k - $150k/yr

Remote in USA

Remote

Remote position; onsite in Alexandria, Virginia when directed.

Category
IT & Security (1)
Required Skills
TCP/IP
Malware Analysis
SQL
Computer Networking
Kali Linux
Vulnerability Analysis
REST APIs
Penetration Testing
Linux/Unix

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Requirements
  • A bachelor degree typically and 4-5 years of experience, or equivalent relevant work experience; each year of work experience may be substituted for each year of education required.
  • A minimum of 3 years of experience with assessing APT threats, Penetration Testing, Vulnerability Management, attack methodologies, malware analysis, attack surface comprehension, Cyber Threat Emulation operations, Cyber Advanced Threat Emulation Team operations and research, identification, and verification of new APT TTPs.
  • Familiarity with API testing methodologies including REST, SOAP, JSON, XML, and authentication/token-based workflows.
  • Understanding of OWASP Top 10, API Security Top 10, and common web application attack vectors.
  • Experience writing technical security assessment reports and communicating findings to both technical and non-technical stakeholders
  • Experience with Kali Linux, Metasploit, Burp suite, and post-exploitation frameworks.
  • Knowledge and experience in Penetration Testing, SOC support, and coordination with security teams to strengthen Enterprise security posture.
  • Research and remain up to date with emerging threats and Threat Emulation methodologies.
  • Able to automate tasks and script at a basic level.
  • Familiarity with NIST and FISMA compliance.
  • A working knowledge of the various operating systems (e.g. Windows, OS X, Linux, etc.) commonly deployed in enterprise networks, a conceptual understanding of Windows Active Directory is also required, and a working knowledge of network communications and routing protocols (e.g. TCP, UDP, ICMP, BGP, MPLS, etc.) and common internet applications and standards (e.g. SMTP, DNS, DHCP, SQL, HTTP, HTTPS, etc.).
Responsibilities
  • Conduct web application and API database penetration testing efforts.
  • Analyze application workflows, API endpoints, authentication mechanisms, and authorization controls to identify security weaknesses and business logic flaws.
  • Coordinate with system owners, developers, and security personnel to communicate findings and support remediation efforts.
  • Conduct validation testing of potentially remediated vulnerabilities.
  • Draft and review analysis reports resulting from penetration testing.
  • Stay current with emerging security threats, vulnerabilities, attack techniques, and mitigation strategies relevant to penetration testing.
  • Collaborate with fellow assessment and agency Cybersecurity personnel on enterprise security initiatives and testing operations.
  • Analyzes for weaknesses in company systems. Devises tests and scenarios for various penetration tests.
  • Documents results and communicates them to engineers and management.
  • Provides recommendations for new technologies and system designs according to test results.
  • Develops automated testing programs where possible and efficient.
Desired Qualifications
  • One or more certifications for VAT Analysts: GPEN, GWAPT, GSNA, GMON, GISF, GAWN, GWEB, GXPN, CEH, GNFA, OSCP, OSEE, OSCE, OSWP, CISSP
  • Experience developing custom exploits and exploitation tools in support of authorized penetration tests or cyber threat emulation exercises.
  • Experience with analyzing deceptive technologies such as honeynets.
  • Ability to work with a cyber network defense organization to improve an organization’s detection capabilities.
  • Expertise in policies, industry trends, techniques related to penetration testing.
  • Existing Subject Matter Expert of Advanced Persistent Threat or Emerging Threats

Agile Defense provides IT and cybersecurity services to the U.S. Federal Government, including digital transformation, IT modernization, and a Virtual Security Operations Center (VSOC) to defend against cyber threats. Its services support national security and civilian missions across federal agencies, delivered through various contract vehicles. The company expands its capabilities through acquisitions (IntelliBridge and XOR Security) and focuses on AI-enabled workforce transformation and enterprise IT to enhance government operations. Unlike many suppliers, Agile Defense emphasizes a government-focused portfolio with a multidimensional VSOC and AI-driven workforce upgrades, positioning itself to meet federal security and modernization needs. The goal is to help federal agencies protect data and systems, modernize IT infrastructure, and improve cyber resilience across national security and civilian missions.

Company Size

1,001-5,000

Company Stage

N/A

Total Funding

N/A

Headquarters

Reston, Virginia

Founded

1998

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Simplify Jobs

Simplify's Take

What believers are saying

  • The September 2025 DISA SETI expansion deepens access to a major defense customer.
  • The February 2026 Alliant 3 selection improves positioning for decade-long federal task orders.
  • The June 2026 FBI TSC intelligence analysis win adds scale and mission-critical credibility.

What critics are saying

  • Federal revenue concentration makes recompetes, vehicle losses, and insourcing immediate threats.
  • Cleared-talent retention is difficult, and attrition directly disrupts contract delivery.
  • Integration of IntelliBridge and prior acquisitions strains execution, reporting discipline, and margins.

What makes Agile Defense unique

  • Agile Defense combines federal cybersecurity, digital transformation, and AI services in one platform.
  • Its VSOC pairs threat detection, incident response, threat intelligence, and security engineering.
  • The IntelliBridge integration expanded data, AI engineering, intelligence, and cybersecurity capabilities.

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Benefits

Remote Work Options

Flexible Work Hours

Wellness Program

Mental Health Support

Growth & Insights and Company News

Headcount

6 month growth

28%

1 year growth

28%

2 year growth

28%
PR Newswire
Jan 7th, 2025
Agile Defense Scales through IntelliBridge Acquisition

/PRNewswire/ -- Agile Defense, a leading provider of comprehensive digital transformation, data analytics, and cybersecurity solutions for the Department of...

PR Newswire
Mar 27th, 2024
Agile Defense Announces Bill Luebke As Chief Financial Officer

RESTON, Va., March 27, 2024 /PRNewswire/ -- Agile Defense, an end-to-end provider of large-scale, digital transformation, and cybersecurity solutions to national security and federal civilian customers, appointed Bill Luebke as its Chief Financial Officer (CFO). In this role, Luebke will oversee all aspects of financial management and strategy, playing a key role in driving the company's continued success and growth.Prior to joining Agile Defense, Luebke served as the Principal Accounting Officer, Senior Vice President, and Controller at Perspecta (now part of Peraton) where he oversaw the control, analysis, and interpretation of financial records. Luebke previously held senior level positions overseeing financial teams at CSRA Inc. (now GDIT), and CSC."Today marks a pivotal moment in our company's journey as we welcome Bill Luebke as our new Chief Financial Officer. With Bill's proven track record and visionary leadership, we are poised to elevate our financial strategies and drive sustainable growth," said Agile Defense CEO Rick Wagner.Current CFO Daniel Yuly will transition into a new role where he will focus on optimizing the financial performance of Agile Defense's programs and efficient delivery to customers. To learn more about Agile Defense's services and solutions, visit www.Agile-Defense.com.About Agile Defense:Headquartered in Reston, VA, Agile Defense is an end-to-end enterprise IT solutions provider, delivering leading-edge digital transformation and cybersecurity solutions at scale

GovCon Wire
Jan 24th, 2024
Razwan Raja Named Chief Innovation Officer at Agile Defense

Razwan Raja, formerly founder and principal of XOR Security, has been appointed chief innovation officer at information technology services provider Agile Defense, an Enlightenment Capital portfolio company.

PR Newswire
Jan 23rd, 2024
Agile Defense'S Razwan Raja Appointed To Chief Innovation Officer

RESTON, Va., Jan. 23, 2024 /PRNewswire/ -- Agile Defense, an end-to-end provider of large-scale, digital transformation, and cybersecurity solutions to national security and federal civilian customers, is pleased to share that Razwan Raja has been appointed as Chief Innovation Officer (CINO) at Agile Defense. Raja drives the organization's investment in innovation and leads technical teams to develop cutting-edge solutions aligned to customer needs.Previously, Raja served as the Founder and Principal of XOR Security which was acquired by Agile Defense in May 2023. Razwan brings a focus on innovating for customers and a strategic approach to business development efforts. He is adept at creating solutions to complex engineering operations and integration efforts for federal clients within the U.S. and overseas."Elevating Razwan into this role demonstrates how Agile Defense is intentionally focusing on how we can leverage our unique combination of technical talent and innovative capabilities to close mission gaps and retain our nation's competitive advantage," said Agile Defense CEO Rick Wagner

Washington Technology
Dec 13th, 2023
Agile Defense brings in new growth chief

Agile Defense has hired a new chief growth officer in John Hart, a 25-year industry veteran who joins the digital transformation company after working in that same role at Valiant Integrated Services.