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Systems Engineer III, Cybersecurity Penetration Tester

MGT Norcross, Georgia, United States

hybridfull-time

Salary: 200 employees impa

Posted Jan 13, 2026Apply by Feb 12, 2026

Role & seniority: Systems Engineer III, Cybersecurity Penetration Tester (senior/principal-level contributor)

Location & work type: Greater Atlanta area, Hybrid (onsite ~once/week to Norcross, GA)

Stack/tools: Burp Suite, Nmap, Metasploit, Nessus, Kali Linux, Wireshark, Social Engineering Toolkit; cloud testing (AWS, Azure); Python/Ruby/Go scripting; OT/IoT, web apps, networks, mobile, API, red team tooling

Top 3 responsibilities

  • Plan, execute, and lead complex penetration tests across internal/external networks, web apps, cloud, mobile, IoT, API, and social-engineering scenarios; perform red-team engagements

  • Identify, exploit, and document vulnerabilities; analyze results, produce detailed risk-based reports with remediation guidance

  • Mentor junior testers, train on tools/techniques, collaborate with client teams to validate fixes and improve security practices

Must-have skills

  • 5+ years in penetration testing/ethical hacking; enterprise or regulated environments

  • Advanced security certifications (OSCP required; GPEN, GWAPT, CEH, OSCE/GXPN as plus)

  • Proficiency with Burp Suite, Nmap, Metasploit, Nessus, Kali Linux, Wireshark; scripting (Python, Ruby, Go)

  • Strong knowledge of OWASP Top 10, SANS Top 25, network protocols, Windows/Linux, and threat emulation (Adversary TTPs)

  • Excellent problem-solving, communication (written/verbal), and ability to lead engagements

Nice-to-haves

  • Additional certifications (GPEN, GWAPT, OSCE, GXPN), re

Full Description

Job Details

Description

Systems Engineer III (Cybersecurity Penetration Tester)

FLSA Status: Exempt

Full-Time

Location: Greater Atlanta (Hybrid- once a week to Norcross, GA office)

Who We Are

MGT is a leading provider of technology and advisory solutions serving state, local, and education government agencies (SLED) across the United States. Through client partnerships, MGT’s almost 1,200 employees impact communities for good by managing and securing critical networks, solving complex human capital and fiscal problems, elevating education systems, and advancing equity as a performance imperative. MGT partners with thousands of agencies as a trusted advisor, delivering solutions that improve technology, operational, and economic performance to help communities thrive.

Founded in 1975, MGT initiated an ambitious restart in 2016, broadening the solutions portfolio to provide the most specialized solutions, tackling the most mission-critical problems that live at the top of the public agency leadership agenda. MGT drives over 20% compound annual organic growth and utilizes programmatic mergers and acquisitions to grow capabilities, attract top talent, and accelerate growth scale. Since 2020, MGT has successfully completed 13 acquisitions, driving over 60% compound annual inorganic growth.

Celebrating its 50th year in 2025, the firm attracts exceptional talent and empowers them to exceed client expectations as they navigate the dynamic demands of the clients we serve. Hear more about MGT’s culture in the words of our https://www.mgt.us/careers/.

What You’ll Do

The Systems Engineer III, Cybersecurity Penetration Tester, is responsible for planning, executing, and leading complex security assessments across a variety of environments. In this role, you will

Plan, execute, and lead complex penetration tests, including internal, external, web application, network, mobile, IoT, API, social engineering, and cloud (e.g., AWS, Azure) assessments. Perform red team engagements to simulate attacks and advanced persistent threats, highlighting gaps in security controls; some travel and on-site engagements required. Identify, exploit, and document vulnerabilities using manual and automated techniques, adhering to methodologies and frameworks like OWASP Top 10, PTES, and MITRE ATT&CK. Analyze testing results, assess risks, and produce detailed reports with findings, exploitation procedures, risk ratings, and actionable remediation recommendations. Collaborate with client development, IT, and security teams to validate fixes, retest vulnerabilities, and improve overall security practices. Mentor junior penetration testers, provide training on tools and techniques, demonstrate continuous learning, and contribute to team knowledge sharing. Develop or customize scripts, tools, and methodologies to enhance testing efficiency and coverage. Stay current with emerging threats, vulnerabilities, exploits, and offensive security trends. Communicate technical findings clearly to non-technical stakeholders, including senior management.

What You’ll Bring

Bachelor's degree in computer science, Information Security, Cybersecurity, or related field (or equivalent experience). Five (5) or more years of hands-on experience in penetration testing or ethical hacking, preferably in enterprise or regulated environments. Advanced security-related industry certifications (e.g., OSCP, GPEN) required.

Preferred certifications: Offensive Security Certified Professional (OSCP), GIAC Penetration Tester (GPEN), GIAC Web Application Penetration Tester (GWAPT), or other relevant certifications (OSCE, GXPN, CEH, or equivalent). Advanced proficiency with tools such as Burp Suite, Nmap, Metasploit, Nessus, Kali Linux, Wireshark, Social Engineering Toolkit, and cloud-specific testing frameworks. Thorough understanding of Adversary TTPs and ability to emulate them in assessments. Strong knowledge of network protocols, operating systems (Windows, Linux), web technologies, and common vulnerabilities (e.g., OWASP Top 10, SANS Top 25). Experience in red teaming, vulnerability assessment, and reporting. Excellent problem-solving, analytical, and communication skills (written and verbal). Ability to work independently and lead engagements while collaborating in a team environment. Proficient in exploit development and scripting languages such as Python, Ruby, Go, etc.

What We Offer

Our world-class work environment encompasses flexible and remote work options, a commitment to equity, and nationally respected teams in management consulting and technology services. We also offer opportunities to make a profound social impact through innovative projects, and professional development opportunities for career growth. https://www.mgt.us/careers/ you can read more about our extensive Employee Value Proposition (EVP).

Specifically, we will offer you a competitive compensation package including

Flexible paid time off 5% 401K matching program Equity opportunities Incentive and bonus programs Up to 16 weeks of paid parental leave Flexible spending accounts

Full-health benefits with base employee coverage fully funded, comprising

  • Medical, dental, and vision coverage
  • Life insurance
  • Short and long-term disability coverage
  • Income protection benefits
  • MGT Impact Solutions, LLC is an equal opportunity employer. We will not discriminate against any employee or applicant for employment on the basis of race, color, religion, sex, national origin, age, disability, marital status, genetic information, sexual orientation, pregnancy, gender identity, or any other characteristic or class protected by law.
Penetration TestingEthical HackingRed Team EngagementsVulnerability AssessmentSecurity AssessmentsRisk AnalysisMentoringScriptingCloud SecurityNetwork ProtocolsOperating SystemsWeb TechnologiesProblem-SolvingCommunication SkillsExploit DevelopmentAdversary TTPsmulti-locationreview:company

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