Cyber Software Engineer, SR - TS/SCI with polygraph

Peraton; Corridor North (MD); On-site; USD 146,000 - 234,000; Full time

Job summary

A national security firm in Annapolis Junction is seeking a Cyber Software Engineer with strong software development experience, particularly for mission-critical systems. Required qualifications include 20 years of relevant experience and an active TS/SCI security clearance with current polygraph. Candidates should have software development life cycle knowledge and experience with real-time systems, cloud environments, and CI/CD processes. The position offers a salary range of $146,000 - $234,000 based on various factors.

Qualifications

• 20 years of experience as a Software Engineer in similar programs.
• Active TS/SCI security clearance with current polygraph required.
• 4 additional years experience may substitute for degree.

Responsibilities

• Develop and enhance complex software systems and applications.
• Review and test software components to ensure compliance.
• Lead coordination among software development teams.

Skills

Software development lifecycle

Real-time systems

Data processing

Cloud environments

Infrastructure as Code (IaC)

CI/CD pipelines

Education

Bachelor's degree in Computer Science or related discipline

Tools

Terraform

Job description

Cyber Software Engineer, SR - TS/SCI with polygraph

Job Locations

US-MD-Annapolis Junction

Requisition ID

2026-165826

Position Category

Information Technology

Clearance

Top Secret/SCI w/Poly

Responsibilities

Software Engineer | Location: Annapolis Junction, MD

This position supports a high-priority, funded mission.

Peraton is seeking a Software Engineer to support a complex, mission-critical environment focused on developing and maintaining advanced software systems. This is a funded backfill opportunity supporting an established team, where you will contribute to high-impact efforts involving large-scale data processing, real-time systems, and advanced analytics.

In this role, you will support the full software development lifecycle, working independently or as part of a collaborative engineering team to design, develop, test, and enhance software solutions that directly support mission operations.

What You'll Do

• Develop, maintain, and enhance complex software systems, including processing-intensive analytics, real-time systems, and large data set applications
• Review and test software components to ensure adherence to design requirements and document test results
• Resolve software problem reports and support system troubleshooting
• Apply appropriate software development and design methodologies based on the development environment
• Provide input to system design, including hardware/software trade-offs, software reuse, and COTS/GOTS integration
• Perform requirements analysis and synthesis from system level to individual software components
• Recommend new technologies and processes to improve performance and scalability of software solutions
• Serve as technical lead across multiple software development teams
• Coordinate software development processes with customer and systems engineering teams
• Ensure quality control of all developed and modified software
• Delegate programming and testing tasks and monitor team performance

Qualifications

Required Qualifications

• Twenty (20) years of experience as a Software Engineer in programs and contracts of similar scope, type, and complexity
• Bachelor's degree in Computer Science or related discipline from an accredited college or university
• Four (4) years of additional Software Engineering experience may be substituted for a bachelor's degree
• Active TS/SCI security clearance with a current polygraph is required

Desired Qualifications

• Experience with AWS cloud environments, including serverless architecture and cloud application deployment
• Experience with Infrastructure as Code (IaC), specifically Terraform
• Experience with CI/CD pipelines and automated testing

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.