Senior Software Systems Engineer

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Full Time Northridge, CA, US

6 days ago Requisition

Salary Range: $ To $ Annually

AtAreté, we are on the forefront of utilizing innovative solutions, with great minds from all backgrounds, to help solve the nation’s most complex security challenges. We strive for an inclusive, collaborative team environment that approaches differences as opportunities for innovation and excellence. As an employee‑owned company, we foster an atmosphere that propels diverse career opportunities and professional growth.

Discover your future with us.

We are seeking a highly skilled and innovative Senior Software Systems Engineer to join our team and lead critical aspects of system design, integration, and validation. This role requires a strong technical foundation, exceptional problem‑solving skills, and the ability to manage complex requirements while interfacing with customers and stakeholders. The ideal candidate will be a proactive leader who thrives in dynamic environments and demonstrates flexibility, curiosity, and technical depth.

This position will be based at our Northridge, CA office and is a non‑supervisory, exempt, full‑time position.

We have an impressive range of benefits, programs, and perks that we offer:

• Life and Long‑Term Disability (LTD)
• Vision Reimbursement
• Fitness Reimbursement
• Company‑funded 5% contribution to your 401(k) retirement plan
• Company‑funded 5% contribution to your Employee Stock Ownership Plan
• Continuing Education Assistance

Work‑Life Balance:

• Flexible Scheduling
• Paid Time Off (PTO)
• Paid Parental and Bereavement Leave

What We Value:

• Creativity and innovation in solving challenges
• Integrity and responsibility in all actions
• Collaboration across teams and specialties
• Responsiveness in fast‑paced environments
• Passion for national security and excellence

Experiences and Background We Look For (Required Skills):

• Demonstrated ability to work autonomously, take ownership of tasks, and drive solutions with minimal oversight.
• Expertise in testing complex algorithms and graphical user interfaces (GUIs), including formal requirements validation, usability testing, and defect identification.
• Strong understanding of system‑level architecture and interfaces, capable of troubleshooting across subsystems and ensuring seamless integration.
• Hands‑on experience with Agile development methodologies and continuous integration/continuous delivery pipelines (e.g., Jenkins, Git).
• Skilled in documenting defects, creating clear and actionable reports, and maintaining traceability of issues through resolution.
• Ability to clearly communicate errors, risks, and recommendations to engineering teams and stakeholders.
• Ability to interpret formal and informal requirements, write detailed specifications, and manage change requests.
• Capable of guiding engineering teams and ensuring alignment with program objectives.
• Systems Engineering, Computer Engineering, Computer Science, or related technical field.
• Preferred degree background:
  Systems. Computer Engineering, or related field
  • 9+ yrs. experience with BS/BA
  • 7+ yrs. experience with MS/MA
  • 4+ yrs. experience with PhD

Nice to Have (Preferred Skills):

• Experience with classified systems or secure environments.
• Familiarity with Agile development and Dev Sec Ops  practices.
• Knowledge of model‑based systems engineering (MBSE) tools and methodologies.
• Familiarity with Squish/Jenkins/GIT (or a willingness to learn)
• Basic knowledge and experience with C++/Python
• Involvement with systems integration, test, and performance verification

The annual salary range for this role is $155,000 to $185,000; however, Arete considers several factors when extending an offer of employment, including but not limited to: the position and associated responsibilities, a candidate’s work experience, education/training, and key skills.

Other Considerations

Areté is committed to the principles of equal employment opportunity and nondiscrimination, and we believe every person has the right to be treated with fairness, dignity, and equal consideration.…