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Software Engineer; Intermediate to Senior Security Clearance

Job in Redondo Beach, Los Angeles County, California, 90277, USA
Listing for: TEKsystems c/o Allegis Group
Full Time position
Listed on 2026-01-12
Job specializations:
  • Software Development
    Software Engineer
Job Description & How to Apply Below
Position: Software Engineer (Intermediate to Senior) with Security Clearance
Software Engineer (Intermediate to Senior)

Location:

Redondo Beach, CA (On-site in SCIF)
Company: TEKsystems
Type:
Contract-to-Hire
Duration: 12 months
Clearance:
Active SSBI required; ability to obtain SCI prior to start We are seeking an Intermediate to Senior Software Engineer to join our Ground Solutions and Mission Support (GSMS) Software Integrated Project Team (IPT). This team supports both development and operations & maintenance contracts, focusing on mission operational software product lines and new capability development for a restricted SCI customer. This is a 100% on-site position in a Sensitive Compartmented Information Facility (SCIF) in Redondo Beach, CA.

Responsibilities
Develop software in C++ within a fast-paced Agile environment using Red Hat Enterprise Linux (RHEL) systems
Design, code, and unit test new software capabilities based on Mathematical Algorithm Requirements (MARs)
Troubleshoot and resolve software discrepancies and deliver fixes
Collaborate with subject matter experts and senior engineers across multiple subsystems Basic Qualifications
Bachelor’s degree in a STEM discipline with 5–8 years of experience, Master’s with 3–6 years, or PhD with 1–4 years (additional 4 years of relevant software experience may substitute for degree)
Active SSBI clearance at application; SCI eligibility prior to start
Advanced object-oriented programming skills and proficiency in C++
Knowledge of Red Hat Enterprise Linux
Strong problem-solving and decision-making skills
U.S. citizenship required

Preferred Qualifications
Dev Sec Ops  test automation experience
Familiarity with C, C++, Java, Python, Perl
Strong mathematical and algorithmic skills

Experience with Agile methodologies and Atlassian tools (Jira, Confluence, Bitbucket, Bamboo)
Git-based development in Linux environments
Active SCI clearance Clearance Level: Top Secret/SCI

• This position requires an active DoD Clearance (Secret, Top Secret, Top Secret/SCI) or the ability to be obtain an (Interim Secret, Interim Top Secret)

• Because an active or interim DoD clearance is required, U.S. Citizenship is required TEKsystems Benefits:
Benefits are subject to change and may be subject to specific elections, plan or program terms. Our benefit plans include the following:

• Medical, dental & vision

• 401(k)/Roth

• Insurance (Basic/Supplemental Life & AD&D)

• Short and long-term disability

• Health & Dependent Care Spending Accounts (HSA & DCFSA)

• Transportation benefits

Employee Assistance Program

• Tuition Assistance

• Time Off/Leave (PTO, Paid Family Leave)
Position Requirements
10+ Years work experience
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