Senior Network Engineer – Millennium Space Systems

Boeing; El Segundo (CA); On-site; USD 159,000 - 215,000; Full time

Job summary

Millennium Space Systems, a Boeing Company, is seeking a highly skilled Senior Network Engineer to join our IT team in El Segundo, CA. This role will design, implement, maintain, and optimize our network infrastructure, mentoring junior engineers while ensuring security, reliability, and scalability across LAN/WAN, wireless, and cloud environments.

Ideal candidates hold a Bachelor's degree with 6+ years of experience, with hands-on experience in multi-vendor environments (Juniper, Cisco, Dell),

Qualifications

• Bachelor's degree with 6+ years of relevant experience or equivalent.
• Ability to obtain U.S. Government security clearance; U.S. citizenship required.
• Experience with multi-vendor switching/routing (e.g., Juniper, Cisco, Dell), QoS, VPNs, Palo Alto platforms, and Panorama.

Responsibilities

• Design, plan, implement robust, scalable network architectures (LAN/WAN/wireless/cloud).
• Manage network security including firewalls and IDS/IPS systems.
• Lead deployment of routers, switches, firewalls, VPNs, and load balancers.
• Ensure network resilience with DR/BC plans.
• Develop and maintain comprehensive network documentation (diagrams, configurations, policies).

Skills

Network design

Firewall & security

Routing & switching

Cloud networking

VPN technologies

DoD 8570 IAT 2

CCNA or higher

Palo Alto Panorama

AWS/Azure networking

Cross-functional collaboration

Education

Bachelor's Degree

Tools

Juniper

Cisco

Dell

SolarWinds

Wireshark

Palo Alto next generation firewall

Azure ExpressRoute

IPsec VPN

SSL VPN

Panorama

AWS

Azure

Job description

Job Description

At Boeing, we innovate and collaborate to make the world a better place. We’re committed to fostering an environment for every teammate that’s welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us.

Job Description

At Boeing, we innovate and collaborate to make the world a better place. We’re committed to fostering an environment for every teammate that’s welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us.

Millennium Space Systems, a part of Boeing Defense, Space and Security (BDS), is a fast, agile small satellite company focused on national security space. Our missions have direct impact to global security, like missile warning and Earth observation.

Our team is curious, bold and innovative. We take risks, innovate and explore new techniques and technologies. We influence change because we challenge the status quo. And when we watch our satellites launch, we know each one of us made it happen.

We are seeking a highly skilled and experienced Senior Network Engineer to join our dynamic IT team. This pivotal role will be responsible for the design, implementation, maintenance, and optimization of our organization’s network infrastructure. The IT Network Engineer will provide technical leadership, mentor junior engineers, and ensure the security, reliability, and scalability of our network operations. This position requires a deep understanding of networking principles, hands‑on experience with complex network environments, and strong problem‑solving capabilities. Strong communication and organizational skills are critical to success in this position, along with the ability to build strong relationships, collaborate in a cross‑functional environment, and utilize problem‑solving skills to proactively identify and manage risks and opportunities. This position is onsite at our office in El Segundo, CA.

This position’s internal job title is Network Design. Our team is currently hiring for level 5.

Position Responsibilities

• Design, plan, and implement robust, scalable, and secure network architectures, including LAN, WAN, wireless, and cloud networking solutions
• Manage network security, including firewall configuration, intrusion detection/prevention systems, and access control
• Lead the deployment of network hardware and software, including routers, switches, firewalls, VPNs, and load balancers
• Ensure network resilience and implement disaster recovery and business continuity plans
• Develop and maintain comprehensive network documentation, including diagrams, configurations, and policies

Basic Qualifications (Required Skills/Experience)

• Bachelor's Degree and 6+ years' of experience or an equivalent combination of education
• Do you have the ability to obtain a U.S. Security clearance for which the U.S. Government requires U.S. citizenship?
• Experienced with multi‑vendor switching and routing (e.g., Juniper, Cisco, Dell)
• Experience with Quality of Service (QOS), routing and switching protocols
• Experience with Palo Alto next generation firewall systems
• Experience deploying and maintaining VPN technologies (e.g., IPsec, SSL VPN, Azure ExpressRoute)
• Experience with Palo Alto Networks Panorama
• Active IAT Level 2 certifications per DoD Instruction 8570 (8140)
• Cisco Certified Network Associate (CCNA) or higher
• Experience with cloud networking environments (e.g., AWS, Azure)

Preferred Qualifications (Desired Skills/Experience)

• Experience with network automation and scripting (e.g., Python, Ansible)
• Proficiency in network monitoring and analysis tools (e.g., SolarWinds, Wireshark)
• Knowledge of wireless networking standards and technologies
• Juniper Networks Certified Internet Associate (JNCIA) or higher
• Palo Alto Networks Certified Network Security Administrator (PCNSA) or higher

Conflict of Interest

Successful candidates for this job must satisfy the Company’s Conflict of Interest (COI) assessment process.

Drug Free Workplace

Millennium Space Systems, a Boeing Company, is a Drug Free Workplace (DFW) where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria is met as outlined in our policies.

Total Rewards

At Millennium Space Systems, a Boeing Company, we strive to deliver a Total Rewards package that will attract, engage and retain the top talent. Elements of the Total Rewards package include competitive base pay and variable compensation opportunities.

Millennium Space Systems also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work.

The specific programs and options available to any given employee may vary depending on eligibility factors such as geographic location, date of hire, and the applicability of collective bargaining agreements.

Pay is based upon candidate experience and qualifications, as well as market and business considerations.

Summary pay range

Level 5: $158,950 - $215,050

Millennium is DDTC-registered, ITAR-compliant Company. This position is located at a facility that requires special access. Applicants MUST be U.S. citizens and eligible for a security clearance. Additionally, applicants must be willing to apply for and maintain a security clearance. This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. An interim and/or final U.S. Secret Clearance Post-Start is required.

Category = Information Technology & Analytics

Applications

Applications for this position will be accepted until Oct. 16, 2026

Export Control Requirements

• 120.62 is required. “U.S. Person” includes U.S. Citizen, U.S. National, lawful permanent resident, refugee, or asylee.

Export Control Details

US based job, US Person required

Relocation

Relocation assistance is not a negotiable benefit for this position.

Security Clearance

This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. An interim and/or final U.S. Secret Clearance Post-Start is required.

Visa Sponsorship

Employer will not sponsor applicants for employment visa status.

Shift

This position is for 1st shift

Equal Opportunity Employer

Boeing is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.