Senior Cyber Security Engineer

Job Title: Senior Cyber Security Engineer
Company: Loenbro, LLC
Business Unit/Department: Information Technology
Location:
Reports to: Senior Director, Information Security
Employment Type: Full Time
FLSA Classification: Exempt

Candidates must be authorized to work in the United States on a full-time basis. We are unable to sponsor or transfer visas at this time.

About Loenbro

Loenbro is a trusted, long-term construction lifecycle partner to thousands of customers across the U.S. Our market spans all industries and our service offerings include Critical Electrical, Mechanical & Structural, Soft Crafts, Inspection, Underground Maintenance and Installation, and Fabrication. Our expertise lies in simplifying the complex and establishing long-standing relationships with our partners. We have a national presence but a local approach—every customer benefits from our capabilities and our care.

At Loenbro, we don’t just offer jobs—we build careers grounded in integrity, teamwork, excellence, and purpose. Join a team where your expertise is valued, your growth is supported, and your work helps maintain and enhance the critical infrastructure that powers communities across the nation.

Job Summary
We are seeking a highly experienced Senior Cyber Security Engineer to lead and support enterprise security initiatives, with a strong focus on security platform migrations and day-to-day cybersecurity operations. This role is responsible for ensuring the organization’s security posture is maintained and continuously improved while enabling secure adoption of new technologies.

The ideal candidate is a hands-on security practitioner with deep experience in enterprise environments, capable of driving security initiatives, supporting operational teams, and guiding cross-functional stakeholders.

Essential Job Responsibilities

Security Platform Ownership, Migration, and Transformation

• Lead and support the daily management, governance, and migration of security platforms, (e.g., EDR, identity, email security, cloud security tools) with minimal operational disruption
• Evaluate current security tools and recommend improvements or replacements aligned to business and risk requirements
• Coordinate with IT, infrastructure, and business teams to ensure secure management, configuration, and implementation of security platforms
• Develop and execute migration plans, including validation, testing, and cutover strategies
• Ensure proper configuration, hardening, and alignment to security standards

Operational Cybersecurity (Day-to-Day)

• Monitor and respond to security alerts and incidents in collaboration with SOC or IT teams
• Perform investigation and triage of security events, including root cause analysis and mitigation
• Manage vulnerability remediation efforts and track risk reduction progress
• Maintain and improve endpoint, identity, and network security controls
• Support incident response activities, including containment, eradication, and recovery

Risk and Security Governance

• Identify, assess, and communicate cybersecurity risks to leadership and stakeholders
• Ensure security controls align with regulatory and compliance requirements (e.g., NIST, CIS, ISO frameworks)
• Contribute to the development and enforcement of security policies, standards, and procedures
• Participate in audits, assessments, and security reviews

Collaboration & Leadership

• Act as a subject matter expert for cybersecurity initiatives across the organization
• Partner with architecture, infrastructure, and application teams to embed security into projects
• Provide guidance and mentorship to junior security team members
• Support security awareness and best practice adoption across the business

Minimum Qualifications

Required:

• 4–5+ years of hands-on cybersecurity experience in a fast-paced, complex enterprise environment
• Proven track record as a hands-on individual contributor (not primarily management-focused)
• Experience across multiple cybersecurity domains (at least 3) such as:
  • Endpoint Detection & Response (EDR)
  • Identity & Access Management (IAM)
  • SIEM / SOAR
  • Cloud security
  • Email security or network security
• Experience with security operations, including:
  • Incident response, investigation, and triage
  • Vulnerability management and remediation
  • Endpoint, identity, or network security controls
• Demonstrated ability to own and manage security tools/platforms end-to-end
• Experience supporting or participating in security tool implementations, migrations, or transformations
• Working knowledge of security frameworks such as NIST, CIS, or ISO
• Strong ability to learn new technologies quickly and operate in a vendor-agnostic environment
• Excellent communication and collaboration skills, with the ability to work across technical and business teams
• Ability to thrive in a fast-moving, evolving environment with shifting priorities

Preferred:

• Experience with CrowdStrike or similar EDR platforms, especially in migration or large-scale deployments
• Experience with security automation or scripting (e.g., Python, PowerShell)
• Hands-on experience with cloud platforms (Azure, AWS, or GCP security tooling)
• Experience in rapid-growth or transformation-focused environments
• Exposure to OT/industrial or construction-related environments (nice to have)
• Experience acting as a technical lead or subject matter expert, including mentoring others
• Relevant certifications (e.g., CISSP, GIAC, Security+) or demonstrated commitment to continuous learning

Physical Demands and Work Environment

The physical demands and work environment described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

Work Environment:

• Remote based role. If local to Denver, the position could be hybrid
• Travel Requirements: minimal

This role requires compliance with all applicable safety regulations, personal protective equipment (PPE) requirements, and Loenbro's Environmental Health and Safety (EH&S) policies.

Benefits

Loenbro offers a competitive salary, comprehensive benefits package, and rewards to those who join our team:

• Medical, dental, and vision insurance
• 401(k) retirement plan with company match
• Paid time off (PTO) and holiday pay
• Life and disability insurance
• Professional development and training opportunities
• Employee assistance program (EAP)

Benefits eligibility may vary based on employment classification and hours worked.

Guided by Core Values (LEAD), grounded in grit and a commitment to excellence, Loenbro betters our families, customers, and local communities. If you’re ready to be part of a company that LEADS by:

• Living with Integrity
• Exceeding Expectations
• Acting with Urgency
• Delivering Excellence