Principal Software Engineer Job at Owl Cyber Defense (Columbia)

Principal Software Engineer

Owl Cyber Defense

Location:
United States , Columbia ▼
Morrisville
Danbury

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

In this Software Engineering role, you will be responsible for investigating, enhancing, designing, developing, and testing Linux based security systems. You will work on multiple projects identifying and resolving complex security issues. Projects involve deep security vulnerabilities that target the operating system level. This is an opportunity to deepen your operating system security knowledge with a recognized leader in the industry. You will learn SELinux and other security processes to harden complex systems. This opportunity will allow you to be part of a strong technical team with a high degree of autonomy and significant responsibility.

Job Responsibility:

Investigating, enhancing, designing, developing, and testing Linux based security systems
Work on multiple projects identifying and resolving complex security issues
Projects involve deep security vulnerabilities that target the operating system level
Deepen operating system security knowledge
Learn SELinux and other security processes to harden complex systems
Be part of a strong technical team with a high degree of autonomy and significant responsibility

Requirements:

Bachelor’s degree or higher in Computer Science, Engineering or Mathematics
15+ years software development
3+ years in technical leadership or team lead capacity
Advanced proficiency in one or more of the following: Rust, Java, C, or C++
Understanding of Linux/Unix kernel-level functionality
Strong automated testing and quality assurance practices
Proven ability to mentor developers and foster collaborative team culture
Git version control and collaborative development workflows
Excellent written and verbal communication skills
Deep understanding of software architecture and design patterns
Familiarity with RHEL and systemd
Understanding of networking and standard protocols: UDP, TCP, FTP
Candidate must be able to obtain/maintain an active US Government security clearance

Nice to have:

SELinux policy development and hardened operating systems
Extensive experience with XML and related technologies (XSD, XSLT, XProc, XML Digital Signature)
Common Criteria or government certification processes
DFDL
Structured data types: MIL-STD-6016, USMTF, VMF
Defense, Intelligence, or critical infrastructure experience
Experience with Agile development methodologies

Additional Information:

Job Posted:
April 06, 2026

Work Type:

Hybrid work

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