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Software Engineer with Security Clearance

Company:
TEKsystems c/o Allegis Group
Location:
Redondo Beach, CA, 90278
Posted:
April 15, 2026
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Description:

Overview

We are seeking an Intermediate to Senior Software Engineer to support a mission-critical Ground Solutions and Mission Support software program. This role is part of a large, highly technical Software Integrated Project Team (IPT) responsible for developing, sustaining, and enhancing multiple operational software product lines in a classified environment.

This position is 100% on-site in a SCIF and supports both new capability development and Operations & Maintenance (O&M) efforts for mission systems used by government customers. Key Responsibilities Perform as a C++ software developer in a fast-paced Agile team environment

Design, develop, and unit test new software capabilities based on algorithmic and mathematical requirements

Identify, troubleshoot, and resolve software discrepancies and defects

Collaborate with senior engineers and subject matter experts across multiple software subsystems

Develop and maintain software on Red Hat Enterprise Linux (RHEL) environments (VMs, servers, and workstations)

Participate in Agile development activities including sprint planning, stand-ups, and reviews Required Qualifications Active TS/SCI clearance (required at time of application)

U.S. Citizenship required

Bachelor’s degree in a STEM field with 5–8 years of software engineering experience

OR Master’s degree with 3–6 years

OR PhD with 1–4 years

(Additional 4 years of relevant experience may be considered in lieu of a degree)

Strong object-oriented programming skills with advanced proficiency in C++

Experience developing software in a Linux (RHEL) environment

Strong problem-solving, debugging, and troubleshooting skills Preferred Qualifications Experience with DevSecOps and/or test automation

Experience with additional languages such as C, Java, Python, or Perl

Strong background in mathematics and algorithms

Agile/Scrum team experience

Familiarity with Atlassian tools (Jira, Confluence, Bitbucket, Bamboo)

Experience using git for version control

Active SCI access upon start Work Environment Classified Sensitive Compartmented Information Facility (SCIF)

High-collaboration, mission-focused engineering environment

Work directly supporting national security objectives Compensation Hourly Pay Range: $50.00 – $85.00/hr (W2, based on experience)

Contract-to-hire opportunity Benefits (if eligible) Medical, Dental, Vision

401(k) with pre-tax and Roth options

Life and AD&D Insurance

Short- and Long-Term Disability

Health Savings Account (HSA)

Transportation Benefits

Employee Assistance Program (EAP)

Paid Time Off / Sick Leave

Employee

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