Senior Network Engineer – Millennium Space Systems

Millennium Space Systems, Inc.

El Segundo (CA)

On-site

USD 159,000 - 215,000

Full time

5 days ago

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Job summary

Millennium Space Systems, a Boeing Company, is seeking a Senior Network Engineer to design, implement, and maintain our network infrastructure onsite in El Segundo, CA. The role emphasizes strong leadership, cross‑functional collaboration, and hands‑on networking expertise in a high‑assurance environment.

Responsibilities include designing scalable LAN/WAN architectures, managing security with firewalls and VPNs, deploying network hardware, and ensuring disaster recovery readiness.

Qualifications

Bachelor's Degree and 6+ years' of experience or an equivalent combination of education.
Ability to obtain U.S. Security clearance; U.S. citizenship required.
Experience with multi-vendor switching and routing (Juniper, Cisco, Dell).
Experience with QoS, routing and switching protocols.
Experience with Palo Alto next generation firewall systems.
Experience deploying and maintaining VPN technologies (IPsec, SSL VPN, Azure ExpressRoute).
Experience with Palo Alto Networks Panorama.
IAT Level 2 certification per DoD 8570 (8140).
CCNA or higher.
Experience with cloud networking environments (AWS, Azure).

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

Skills

Routing & Switching

Juniper

Cisco

Dell

Palo Alto firewalls

VPN technologies

Cloud networking

Panorama

IAT Level 2

CCNA

Cloud Networking (AWS/Azure)

Education

Bachelor's Degree or equivalent

Job description

Company

Millennium Space Systems
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.

Senior Network Engineer

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. We encourage all interested candidates to apply for any open position for which they feel they are qualified.