Security Engineer – Lead

True Zero Technologies is seeking a Lead Security Engineer to support security engineering across enterprise and classified environments based on RMF execution and FISMA-aligned requirements. In this onsite role in Model, CO, you will translate federal security expectations into practical operational controls while leading hands-on technical work across multiple security capabilities.

Role Focus

This position emphasizes cybersecurity engineering leadership for enterprise systems, secure configurations, continuous monitoring enablement, and security tooling effectiveness. You will also use MITRE ATT&CK to surface control gaps, clarify defensive coverage limitations, and help drive technical remediation priorities.

Responsibilities

• Lead cybersecurity engineering activities supporting enterprise systems and security capabilities
• Design, implement, and improve technical security controls and engineering practices
• Support implementation and optimization of security engineering practices aligned to RMF and FISMA requirements
• Assist with development and maintenance of secure configurations, engineering standards, and technical documentation
• Support technical implementation of continuous monitoring and automation capabilities
• Support engineering efforts related to operational security tooling and platform effectiveness
• Provide engineering guidance for security monitoring, infrastructure protection, systems hardening, and secure integration
• Use MITRE ATT&CK to identify control gaps, express defensive coverage limitations, and recommend technical remediation priorities
• Support implementation, administration, and engineering activities related to Splunk Enterprise Security
• Coordinate with operational, engineering, and government stakeholders on technical implementation priorities
• Support assessments, engineering reviews, and security improvements across systems and environments
• Ensure engineering deliverables are accurate, complete, and aligned with mission needs

Requirements

• Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, Engineering, or related technical field; or equivalent experience
• Strong experience in cybersecurity engineering, systems security, and enterprise technical implementation
• Experience translating security requirements into technical designs and operational controls
• Experience supporting secure enterprise environments, including complex and high-visibility federal systems
• Familiarity with RMF-driven control implementation, secure system integration, engineering governance, and continuous monitoring support
• Experience using MITRE ATT&CK to assess defensive coverage, identify security engineering gaps, and support remediation planning
• Experience with Splunk Enterprise Security administration and security engineering support
• Ability to work effectively in classified environments within government controlled secure facilities
• Strong technical writing, engineering documentation, and stakeholder communication skills
• CISSP
• ISSEP
• Splunk Certified Enterprise Security Admin
• Top Secret/SCI Clearance (Final)

Technology Exposure

• MITRE ATT&CK
• Splunk Enterprise Security
• Splunk Enterprise Security administration

Benefits

• Competitive salary, paid twice per month
• Best in class medical coverage
• 100% of medical premiums covered by True Zero
• Company wide new business incentive programs
• Contribution Incentives (e.g., white papers, blog posts, internal webinars)
• 3 weeks of PTO starting plus 11 Paid Holidays annually
• 401k program with 100% company match on the first 4%
• Monthly reimbursement of Cell Phone and Home Internet costs
• Paternity/Maternity Leave
• Investment in training and certifications to broaden and deepen technical skills