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B3​/B4 Software Engineer

Job in Redondo Beach, Los Angeles County, California, 90278, USA
Listing for: Apex Systems
Full Time position
Listed on 2026-08-14
Job specializations:
  • Software Development
    Software Engineer, Unix/Linux
Job Description & How to Apply Below

Engineer Software 2

We are seeking an energetic and passionate software engineer to join a diverse and skilled team. This role involves working on innovative solutions to complex issues in support of national security missions, focusing on Next Generation Ground Systems and software deliveries to operational sites. This position is 100% on-site in a secure facility.

Key Responsibilities

  • Perform as a C++ software developer in a fast-paced agile team environment using Red Hat Enterprise Linux (RHEL) VMs, servers, and workstations.
  • Design, code, and unit test new software capabilities based on Mathematical Algorithm Requirements.
  • Identify, troubleshoot, and provide software fixes for Discrepancy Reports.
  • Collaborate with subject matter experts and senior staff engineers across multiple software subsystems.

Required Qualifications

Education:

A Bachelor's degree in a STEM discipline with 5-8 years of experience, a Master's degree in a STEM discipline with 3-6 years of experience, or a PhD in a STEM discipline with 1-4 years of experience. An additional 4 years of relevant software experience may be considered in lieu of a degree.

Experience:

This position requires the applicant to be a U.S. citizen with a Top Secret clearance or higher.

Technical

Skills:

Advanced Object-Oriented programming skills and proficiency with C++ programming;
Knowledge of the Red Hat Enterprise Linux operating system;
Demonstrated problem-solving, troubleshooting, and decision-making skills.

Preferred Qualifications

  • Top Secret / SCI Clearance
  • Experience with Dev Sec Ops  Test Automation.
  • Experience with programming/scripting languages such as C, C++, Java, Python, or Perl.
  • Strong aptitude in mathematics and algorithms.
  • Previous participation on an Agile scrum team or familiarity with the Agile process.
  • Familiarity with the Atlassian Tool Suite (Confluence, Jira, Bitbucket, Bamboo).
  • Experience developing in a Linux environment using git.

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including Clearly Rateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law.

Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.

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