Senior Software Engineer

Frederick Fox; Redondo Beach (CA); On-site; USD 140,000 - 170,000; Full time

Job summary

Frederick Fox in Redondo Beach, CA seeks experienced Software Engineers to develop and sustain mission-critical ground systems in a secure environment. 100% on-site in an SCIF location, supporting national security initiatives with an Agile team. Roles include design, implementation, testing, and defect resolution using C++ on Linux.

Requires advanced C++ skills, STEM degrees, and active US security clearance; U.S. citizenship is mandatory.

Qualifications

• Bachelor's degree in a STEM field with 5-8 years of relevant experience, or Master’s degree with 3-6 years, or Ph.D. with 1-4 years.
• Active U.S. Government security clearance with the ability to obtain SCI access.
• U.S. citizenship is required.
• Strong C++ OO programming skills and experience on Red Hat Enterprise Linux (RHEL).
• Experience delivering software in an Agile environment.

Responsibilities

• Develop, enhance, and maintain C++ software applications in an Agile development environment.
• Design, implement, and unit test new software capabilities from requirements.
• Investigate, troubleshoot, and resolve software defects.
• Collaborate with engineers and cross-functional teams to deliver high-quality solutions.
• Support software development on RHEL VMs, servers, and workstations.
• Participate in Agile ceremonies and continuous improvement efforts.

Skills

C++ programming

Object-oriented design

Analytical problem solving

Team collaboration

Security clearance

Education

Bachelor's degree in STEM

Master's degree in STEM

Ph.D. in STEM

Tools

Jira

Confluence

Git

Bitbucket

Bamboo

Job description

Software Engineer (C++)

Location: Redondo Beach, CA (100% On-site)

Employment Type: Full-time

Duration: June 2026 - June 2027

Openings: 3

Clearance Required: Active Top Secret/SCI (or eligible to obtain SCI)

Position Overview

We are seeking experienced Software Engineers to support the development and sustainment of mission-critical ground systems in a secure, classified environment. This role offers the opportunity to work on advanced software solutions that support national security initiatives while collaborating with a highly skilled engineering team.

This position is 100% on-site in a Sensitive Compartmented Information Facility (SCIF) located in Redondo Beach, California.

Key Responsibilities

• Develop, enhance, and maintain C++ software applications in an Agile development environment.
• Design, implement, and unit test new software capabilities based on system and algorithm requirements.
• Investigate, troubleshoot, and resolve software defects.
• Collaborate with software engineers, subject matter experts, and cross-functional teams to deliver high-quality solutions.
• Support software development on Red Hat Enterprise Linux (RHEL) virtual machines, servers, and workstations.
• Participate in Agile ceremonies and contribute to continuous improvement efforts.

Required Qualifications

• Bachelor's degree in a STEM field with 5-8 years of relevant experience, or
• Master's degree with 3-6 years of experience, or
• Ph.D. with 1-4 years of experience.
• An additional four years of relevant software engineering experience may be considered in lieu of a degree.
• Active U.S. Government security clearance with the ability to obtain SCI access.
• U.S. citizenship is required.
• Strong object-oriented programming skills with advanced proficiency in C++.
• Experience working with Red Hat Enterprise Linux (RHEL).
• Excellent analytical, troubleshooting, and problem-solving skills.

Preferred Qualifications

• Experience with DevSecOps and automated testing.
• Proficiency with one or more programming or scripting languages, including C, C++, Java, Python, or Perl.
• Strong understanding of mathematics and algorithm development.
• Experience working in Agile Scrum environments.
• Familiarity with Atlassian tools such as Jira, Confluence, Bitbucket, and Bamboo.
• Experience developing software in Linux environments using Git.
• Active SCI clearance.

Work Environment

• Full-time, on-site position in Redondo Beach, California.
• Work is performed in a secure classified environment requiring adherence to security protocols.
• Opportunity to contribute to innovative software solutions supporting critical national security missions.