Cybersecurity Engineer

Cyber Security


Aberdeen Proving Ground

Secondary Location:


Telecommute Options:

No remote/telework allowed
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About Peraton

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit to learn how we’re keeping people around the world safe and secure.


Peraton Labs is actively seeking a highly skilled and experienced Mid to Senior Cybersecurity Engineer to join our Cybersecurity Team. The ideal candidate will possess a deep understanding of cybersecurity principles and specialized expertise in eMASS (Enterprise Mission Assurance Support Service), STIG (Security Technical Implementation Guide), ACAS (Assured Compliance Assessment Solution), and the ability to conduct Security Control Assessment - Authorization (SCA-A) assessments. In this role, you will be a key contributor to ensuring the security and compliance of or DOD systems and networks. This position is located at Aberdeen Proving Grounds, MD.


If you are a dedicated and experienced Cybersecurity Engineer who excels in eMASS, STIG, ACAS, and SCA-A assessments, we encourage you to apply for this rewarding opportunity. Join our team and play a crucial role in enhancing the cybersecurity posture of the Department of Defense.


What You'll Get to Do:

  • Security Control Assessment - Authorization (SCA-A).
  • Conduct SCA-A assessments to evaluate the effectiveness of implemented security controls.
  • Collaborate closely with project teams and stakeholders to address findings and make necessary improvements. 
  • Prepare comprehensive SCA-A reports with actionable recommendations for decision makers.
  • Security Documentation and Consultation.
  • Create and maintain detailed security documentation related to RMF, eMASS, STIG compliance, ACAS assessments, and SCA-A.
  • Offer expert guidance and cybersecurity best practices to project teams and stakeholders. 
  • Foster collaboration with system administrators, developers, and other teams to ensure seamless security integration.
  • eMASS Implementation and Management.
  • Leverage eMASS to support the Risk Management Framework (RMF) process.
  • Facilitate the registration, assessment, and authorization of DOD systems and applications to identify vulnerabilites.
  • Apply STIGs and security controls to mitigate identified vulnerabilities.
  • Maintain and regularly update STIG compliance records and associated documentation.
  • ACAS Proficiency.
  • Utilize ACAS to perform in-depth vulnerability scans and assessments.
  • Analyze scan results meticulously and collaborate with system administrators to remediate vulnerabilites.
  • Ensure the proper configuration and ongoing effectiveness of ACAS in identifying security weaknesses.  

You'll Bring These Qualifications:

  • 5 years experience with BS/BA; 3 years with MS/MA; 0 years with PhD
  • An active DOD Secret clearance
  • Degree in Computer Science, Cybersecurity, or a related field (Master's degree preferred)
  • Experience in Cybersecurity with a focus on eMASS, STIG, ACAS, and SCA-A assessments
  • Possession of industry recognized certifications, such as CISSP, CISM, or CEH is highly desirable
  • Proficiency in using eMASS, STIG tools, and ACAS for security assessments
  • Strong familiarity with the Risk Management Framework (RMF) and DOD cybersecurity policies
  • Exceptional communication and interpersonal skills
  • Ability to work both independently and collaboratively within at team

Target Salary Range

$112,000 - $179,000. This represents the typical salary range for this position based on experience and other factors.
SCA / Union / Intern Rate or Range


An Equal Opportunity Employer including Disability/Veteran.

Our Values


At Peraton, our benefits are designed to help keep you at your best beyond the work you do with us daily. We’re fully committed to the growth of our employees. From fully comprehensive medical plans to tuition reimbursement, tuition assistance, and fertility treatment, we are there to support you all the way.

  • Paid Time-Off and Holidays
  • Retirement
  • Life & Disability Insurance
  • Career Development
  • Tuition Assistance and Student Loan Financing
  • Paid Parental Leave
  • Additional Benefits
  • Medical, Dental, & Vision Care
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