Senior Manager, Network Engineering (Defense Technology)

Location: Huntington Beach, California, United States. The role requires travel of approximately 25–30% during new site development, extended hours and weekends as needed. Applicants must meet ITAR eligibility requirements and be authorized to work in the United States.

Salary: $140,000–$180,000 USD base salary per year, plus potential performance incentives and equity.

Company

Mach Industries is a rapidly growing defense technology company founded in 2023 that develops autonomous defense platforms and scalable decentralized defense systems.

What you will do

• Own network architecture and standards across all sites, including LAN/WLAN, WAN/SD-WAN, firewalls, VPN/ZTNA, DNS/DHCP/IPAM, and out-of-band management.
• Design and deliver network infrastructure for two planned sites, from site surveys and cabling specifications through cutover.
• Implement segmentation for CUI, ITAR, guest/BYOD, lab/test, and OT environments, including firewall rulebase ownership and change management.
• Own network-side NIST SP 800-171 and CMMC Level 2 controls and evidence, and provide network telemetry to the security detection platform.
• Run network operations, including monitoring, capacity planning, firmware and patch lifecycle, vendor support, outage response, and on-call coverage.
• Lead network dependencies for the Microsoft 365 GCC High migration and Okta device-binding rollout; manage vendors, carriers, budget, hiring, mentoring, and technical documentation.

Requirements

• 8+ years of network engineering experience, including 2+ years leading a network team in a hands-on role.
• Experience designing and delivering multi-site networks, including at least one greenfield site build.
• Expertise in enterprise routing and switching, wireless, next-generation firewalls, SD-WAN, and VPN/ZTNA across at least two major platforms such as Cisco, Arista, Juniper, Palo Alto, Fortinet, or Meraki.
• Experience designing network security and segmentation and meeting NIST SP 800-171 boundary-protection and remote-access requirements or an equivalent framework.
• Budget ownership and vendor/carrier management experience.
• Availability for extended hours and weekends as needed, plus approximately 25–30% travel during new site development.
• Must satisfy ITAR eligibility requirements and be authorized to work in the United States.

Nice to have

• Experience supporting defense, aerospace, or cleared-facility network environments.
• Familiarity with OT/ICS networking, the Purdue Model, and IEC 62443 standards.
• Experience implementing zero-trust network architectures and SASE solutions.
• Experience with Microsoft 365 Government Community Cloud High (GCC High).
• Certifications such as CCNP, CCIE, PCNSE, or NSE 7.

Culture & Benefits

• Startup agility within a workforce of approximately 350 employees focused on defense technology and national security.
• Performance-based incentives and equity participation may be included.
• Healthcare, dental and vision coverage, retirement savings, and paid time off.
• Funding for continuing education, training, and career growth.
• Benefits and compensation are designed to support long-term professional development.