Cybersecurity Engineer II

Location: Colorado Springs, CO

Work Arrangement: Onsite

Salary Range: $102,000–$153,000 annually

Security Clearance: Ability to obtain or maintain a U.S. Government security clearance

Recruitment Partner Notice

This position is being recruited and advertised by The O'Neil Group Company, LLC on behalf of ONE Dev, LLC. Applications will be submitted through The O'Neil Group Company, LLC; however, the selected candidate will be employed directly by ONE Dev directly and will work onsite at a Colorado Springs location.

About ONE Dev

ONE Dev is a women-owned small business headquartered in Colorado Springs, home to five military installations and a robust ecosystem of aerospace and defense organizations, innovative startups, entrepreneurs, government partners, and academic institutions.

ONE Dev's Engineering Services team combines decades of aerospace and Command and Control (C2) mission domain experience with modern engineering practices that keep missions ready, resilient, and ahead of the threat.

Position Summary

ONE Dev is seeking an experienced Cybersecurity Engineer II responsible for independently implementing, configuring, assessing, and maintaining cybersecurity solutions designed to protect information systems, networks, applications, and mission-critical computing environments. The individual applies practical cybersecurity engineering knowledge and experience to identify vulnerabilities, mitigate security risks, and ensure compliance with established cybersecurity policies and technical standards.

Responsibilities include conducting vulnerability assessments, implementing security configurations, evaluating system security controls, analyzing cybersecurity findings, and developing remediation recommendations. The Cybersecurity Engineer II supports security authorization activities, maintains cybersecurity documentation, and contributes to the development and execution of continuous monitoring strategies. The individual may also implement security tools, analyze system logs, support incident investigations, and assist with the integration of cybersecurity capabilities into software development and infrastructure environments.

In support of government and defense programs, the Cybersecurity Engineer II may perform security engineering activities aligned with DoD RMF processes, NIST security standards, STIG requirements, and applicable system authorization procedures. The individual collaborates with software engineers, systems engineers, network administrators, and cybersecurity professionals to implement secure technical solutions that meet mission requirements.

The position requires independent problem-solving, technical proficiency, and the ability to provide guidance to less experienced cybersecurity personnel.

Required Qualifications

• Relevant cybersecurity engineering, information assurance, information security, or systems engineering experience


• Proficiency in vulnerability assessment, security configuration management, network security, access controls, security monitoring tools, NIST cybersecurity standards, and RMF processes


• Ability to obtain or maintain a U.S. Government security clearance when required by the assigned program


• Due to U.S. Government security clearance and classified-access requirements associated with this position, U.S. citizenship is required

Preferred Qualifications

• Active Secret security clearance


• Experience working on government, defense, or mission-critical systems


• Knowledge of security best practices and secure coding standards


• Knowledge and use of AI tools

Education

• Bachelor's degree in Cybersecurity, Computer Science, Computer Engineering, Information Technology, Information Assurance, or a related technical discipline with four (4) years of related experience.

Work Environment & Physical Requirements

• Primarily onsite in Colorado Springs, Colorado.


• Reasonable accommodations may be made to enable qualified individuals with disabilities to perform the essential functions of the position.

Compensation & Benefits

The anticipated salary range for this position is $102,000–$153,000 annually, depending on qualifications, experience, skills, and other job-related factors.

ONE Dev offers eligible employees a benefits package that includes:

• Medical insurance


• Dental insurance


• 401(k)

Equal Employment Opportunity

ONE Dev is an Equal Opportunity Employer. Employment decisions are made based on business needs, job requirements, and individual qualifications without regard to race, color, religion, creed, sex, pregnancy, sexual orientation, gender identity or expression, national origin, ancestry, age, disability, genetic information, marital status, military or veteran status, or any other status protected by applicable federal, state, or local law.

ONE Dev is committed to fostering an equitable and inclusive workplace and encourages qualified individuals from all backgrounds to apply.