Senior Test Engineer (TS/SCI w/Poly)

Peraton

United States

On-site

USD 146,000 - 234,000

Full time

14 days+
Application generator

A complete application in a minute — tailored resume and cover letter, ready to send.

Get past ATS filters

Benefits offered by this job

Bonus plan
25 days PTO
Subsidized benefits

Job summary

Peraton is seeking a highly skilled Senior Test Engineer to design, build, and secure next-generation software systems supporting critical mission operations. This role emphasizes secure, scalable software aligned with our Technical Reference Architecture and advanced security techniques across the full software lifecycle.

You will join a collaborative team that values innovation, continuous learning, and secure engineering practices, with hands-on responsibilities shaping resilient solutions

Qualifications

  • Twenty (20) years of SWE experience in programs of similar scope is required.
  • Bachelor's degree in Computer Science or related discipline is required; four (4) years of additional SWE experience may substitute for a degree.
  • Active TS/SCI security clearance with a current polygraph is required.
  • Experience developing software in Linux or Solaris environments (6+ years preferred).

Responsibilities

  • Design, develop, test, and operate secure, scalable software solutions.
  • Integrate advanced security practices throughout the SDLC, including code reviews, security testing, and vulnerability mitigation.
  • Troubleshoot, debug, and enhance applications to improve performance and resilience.
  • Provide engineering recommendations and design solutions to proactively reduce security risk.

Skills

Distributed systems
Security-focused development
Problem solving
Cross-team collaboration

Education

Bachelor's degree in Computer Science

Tools

Java
C
C++
Kubernetes

Job description

Responsibilities

Peraton is seeking a highly skilled Senior Test Engineer to help design, build, and secure next-generation software systems supporting critical mission operations. In this role, you'll develop high-performance applications aligned with the Technical Reference Architecture while applying advanced security techniques across the full software lifecycle.

You'll join a collaborative, technically strong team that values innovation, continuous learning, and secure engineering practices. This is a hands-on opportunity to shape resilient solutions, contribute to architectural decisions, and directly impact mission success in a dynamic environment.

What You'll Do:
  • Design, develop, test, and operate secure, scalable software solutions aligned with mission and architecture requirements.
  • Integrate advanced security practices throughout the SDLC, including code reviews, security testing, and vulnerability mitigation.
  • Troubleshoot, debug, and enhance both new and existing applications to improve performance and resilience.
  • Provide engineering recommendations and design solutions to proactively reduce security risk.
  • Contribute across all layers of the architecture to ensure performance, scalability, and reliability.
  • Develop and maintain clear, sustainable technical documentation.
  • Collaborate across teams to promote secure coding practices and knowledge sharing.
  • Stay current with emerging tools, frameworks, and best practices to continuously improve development workflows.
What You'll Bring:
  • You're a hands-on engineer who enjoys solving complex technical challenges at scale.
  • You thrive in mission-driven environments, are comfortable working across the stack, and bring a strong foundation in secure development and distributed systems.
  • You're naturally curious, collaborative, and focused on building resilient, high-performing solutions that make a real-world impact.

#MDFSP

Qualifications
Basic Qualifications:
  • Twenty (20) years of experience as a SWE in programs and contracts of similar scope, type, and complexity is required
  • Bachelor's degree in Computer Science or related discipline from an accredited college or university is required.
  • Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor's degree.
  • Active TS/SCI security clearance with a current polygraph is required
Preferred Qualifications:
  • Experience developing software in Linux or Solaris environments (6+ years preferred).
  • Strong development experience in Java, C, or C++ (Java strongly preferred).
  • Experience building RESTful services and scalable distributed systems.
  • Experience with Kubernetes or containerized environments.
  • Experience with NoSQL/Open Source data platforms such as HBase, Accumulo, or Bigtable.
  • Experience developing analytics-focused applications.

Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan.

Peraton Overview

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 peraton.com to learn how we're keeping people around the world safe and secure.

Target Salary Range

$146,000 - $234,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

EEO

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

Get your free, confidential resume review.
or drag and drop your file here.
Similar jobs

Similar jobs worth comparing

Software Engineer - TS/SCI w/Poly
Software Engineer - TS/SCI w/Poly

Peraton • United States

On-site
USD 135,000 - 216,000
25 days PTO
Bonus plan
Subsidized employee benefits
Senior Test Engineer / Active TS with SCI eligibility, able to obtain Poly
Senior Test Engineer / Active TS with SCI eligibility, able to obtain Poly

Peraton • Washington

On-site
USD 86,000 - 138,000
Senior Test Engineer (TS/SCI w/Poly)
Senior Test Engineer (TS/SCI w/Poly)

Peraton • Maryland

On-site
USD 146,000 - 234,000
Heavily subsidized employee benefits
25 days of PTO annually
Attractive bonus plan
Java Software Engineer, Lead Associate - TS/SCI w/poly
Java Software Engineer, Lead Associate - TS/SCI w/poly

Peraton • United States

On-site
USD 104,000 - 166,000
25 days PTO accrued annually
Bonus plan
Subsidized employee benefits
Software Engineer, Senior Advisor - TS/SCI w/poly
Software Engineer, Senior Advisor - TS/SCI w/poly

Peraton • Maryland

On-site
USD 146,000 - 234,000
25 days PTO
Bonus plan eligibility
Enhanced employee benefits
Cyber Software Engineer, TS/SCI w/ Poly
Cyber Software Engineer, TS/SCI w/ Poly

Peraton • United States

On-site
USD 176,000 - 282,000
Subsidized benefits for dependents
25 days PTO annually
Annual bonus plan
Senior Software Engineer, TS/SCI w/poly
Senior Software Engineer, TS/SCI w/poly

Peraton • United States

On-site
USD 176,000 - 282,000
25 days PTO annually
Bonus plan
External Job Posting Title Software Engineer, Senior Advisor - TS/SCI w/poly
External Job Posting Title Software Engineer, Senior Advisor - TS/SCI w/poly

Peraton • Annapolis (MD)

On-site
USD 146,000 - 234,000
Subsidized employee benefits for you &
25 days PTO per year
Bonus plan eligibility
Software Engineer, Senior Advisor - TS/SCI w/poly
Software Engineer, Senior Advisor - TS/SCI w/poly

Peraton • Corridor North (MD)

On-site
USD 146,000 - 234,000
25 days PTO
Bonus plan eligibility
Software Engineer - TS/SCI w/Poly
Software Engineer - TS/SCI w/Poly

Peraton • Corridor North (MD)

On-site
USD 135,000 - 216,000
Heavily subsidized employee benefits
25 days of PTO
Eligibility to participate in bonus plans