Senior Network Infrastructure Engineer - Secret Clearance Required

Senior Network Infrastructure Engineer

Workplace Type: On-site

Location: Cedar Rapids, Iowa

Job Category: Network Engineer / Architect

A leading aerospace and defense technology provider is seeking a Senior Network Infrastructure Engineer to join its team in Cedar Rapids. This role is ideal for a seasoned professional with deep experience in enterprise networking, infrastructure security, and system resilience. The position supports high-impact systems in a secure, compliance-driven environment and requires an active DoD Secret clearance.

What You’ll Do

• Configure and manage enterprise-grade switches, routers, and firewalls.
• Design, deploy, and modernize scalable network solutions across diverse computing environments.
• Utilize scripting and automation tools to enhance network operations and security.
• Collaborate closely with Cybersecurity teams to uphold strict federal and organizational security standards.
• Provide technical leadership in backup, restore, disaster recovery, and business continuity planning.
• Troubleshoot complex network issues with a focus on root cause analysis and long-term mitigation.
• Offer guidance on network resource allocation, performance optimization, and scalability.
• Participate in weekend and after-hours support rotations as needed.

Responsibilities to Anticipate

• Architect and implement secure, high-performance network systems.
• Maintain and enhance infrastructure in alignment with industry best practices.
• Support identity and access management solutions such as PKI and LDAP.
• Apply system hardening techniques using tools like SCAP and STIGs.
• Use vulnerability scanning tools (e.g., Nessus, Fortify) to assess and improve network security posture.
• Contribute to Agile development cycles (Scrum, SAFe) in cross-functional engineering teams.

Required Qualifications

• U.S. Citizenship (required for clearance eligibility).
• Active DoD Secret clearance.
• Bachelor’s degree in a related field with 8+ years of experience, or Master’s degree with 5+ years.
• Current CCNA certification (CCNP preferred).
• Must obtain DoDD 8140 / 8570 Certification within 3 months of hire.
• Minimum 5 years of experience in:
  • Security infrastructure products and capabilities.
  • Firewall implementation and network security.
  • Infrastructure backup, restore, disaster recovery, and business continuity.
  • Developing solutions and documentation for complex technical challenges.

Preferred Qualifications

• Current CCNP certification.
• Security+ or equivalent certification (or ability to obtain within 3 months).
• Active DoD Top Secret clearance.
• Experience with system hardening and compliance tools (SCAP, STIGs).
• Familiarity with vulnerability scanning tools (Nessus, Fortify).
• Knowledge of identity and access management systems (PKI, LDAP).
• Experience working in Agile environments (Scrum, SAFe).
• Strong analytical and problem-solving skills, both independently and in team settings.

Work Environment

• On-site at a secure, federally regulated facility in Cedar Rapids.
• Collaborative, mission-driven team supporting national defense and aerospace systems.
• Exposure to cutting-edge technologies and high-security infrastructure.

Why This Role Is Open

This position was created to meet the growing demand for on-site network engineering expertise in Cedar Rapids, supporting systems that require active clearance and strict security compliance.