Cybersecurity Software Engineer - Level 3 or 4

United States-Colorado-BoulderPosted Aug 3, 2026

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Secret

TRAVEL: Yes, 10% of the Time

Description

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

The Northrop Grumman Space Systems, Multi-Domain Operations, and Missile Defense Integration Business Unit (BU); Advanced Programs group has an opening for a Cybersecurity Software Engineer – Level 3 or 4. We are working on an autonomous distributed tracking system - Join our high performing software team as the primary systems engineer and come make history with us! The position is located on-site in Boulder, CO. Boulder is nestled in the foothills of the Rocky Mountains, and only 25 miles from downtown Denver.

Position Overview:

Join a software development team as the primary Cyber software engineer who will oversee the process of getting a software application certified for on-orbit deployment. The ideal candidate will be able to perform both Cybersecurity and DevSecOps tasking.

Essential Functions:

  • Getting software packages approved for on-orbit usage, as well as performing related DevSecOps tasking.
  • Prior experience with hardening baselines, vulnerability management, cloud security and DevSecOps is desired.
  • A firm understanding of network basics, Linux and Windows operating systems, and security fundamentals is also desired.
  • The candidate must also have the ability to effectively communicate with system end-users, customers, program managers and software developers, as well as possess good written and verbal communication skills.
  • Collaboration with fellow software engineers and third party entities will be a critical part of day in the life.

This requisition may be filled at a higher grade based on qualifications listed below.

This requisition may be filled at either a Principal Cybersecurity Software Engineer – Level 3 or a Sr. Principal Cybersecurity Software Engineer – Level 4.

Basic Qualifications:

  • Principal Cybersecurity Software Engineer – Level 3: Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline preferred from an accredited university and 5 years of related experience, or a Master's Degree and 3 years of related experience, or 1 year of experience with a PhD.
  • Sr. Principal Cybersecurity Software Engineer – Level 4: Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline preferred from an accredited university and 8 years of related experience, or a Master's Degree and 6 years of related experience, or 4 years of experience with a PhD.
  • Must possess a DoD 8570 certification at IAT Level II or higher (Security+, GSEC, SCNP, SSCP, CISSP, CISA, GSE, SCNA)
  • Applicants must have a current active in-scope U.S. Government Secret security clearance at the time of application, with the ability to obtain and maintain a Top Secret clearance.

Preferred Qualifications:

  • Prior experience getting software packages cyber certified and running DevSecOps pipelines
  • Experience configuring and administering server applications
  • Working knowledge of Cybersecurity technologies, NIST standards, and RMF governance
  • Experience with scripting, installing, and testing patches on system hosts
  • Configuring and Managing network hardware, deploying software stacks, and troubleshooting and resolving bugs and errors
  • Experience applying Cybersecurity configurations such as Firmware updates/upgrades and STIGs to a baselined system
  • Demonstrated experience analyzing and implementing NIST SP 800-53 Security Controls on wide range of Information Systems including Enterprise Datacenters, Mobile units and Virtualized environments
  • Familiarity with DISA STIGS/Benchmarks and SCAP Compliance Checker
  • Familiarity in the Risk Management Framework (RMF) Cybersecurity Lifecycle to include identifying controls and overlays, generating testable requirements, providing analysis of vulnerabilities
  • Working Knowledge and ability to configure Tenable Security Center/Nessus
  • Familiarity with a SIEM (e.g., Splunk, LogRhythm, etc.)
  • Exposure to Linux and basic security concepts
  • Exposure to Host-Based Security System (HBSS)/Endpoint Security Solutions (ESS)
  • Exposure to Assured Compliance Assessment Solution (ACAS)
  • Familiarity with Identity/Authentication management tools and concepts
  • Basic understand of TCP/IP networking fundamentals
  • Zero-Trust Familiarity
  • Cloud/VM knowledge and experience
  • Experience with Python and C++

Primary Level Salary Range: $114,000.00 - $171,000.00

Secondary Level Salary Range: $142,200.00 - $213,400.00

The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.

Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.

The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.

Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

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