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Sr.Network Engineer - Corporate IT - Millennium Space Systems

El Segundo, California Job ID JR2025489793 Category Security Clearance Role Type Onsite Post Date Jan. 06, 2026 Security Clearance Required
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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 Boeing Company delivers affordable, high-performance space systems for exacting customers. At Millennium, you will be part of a close-knit team working on exciting technological problems. We work in an open environment where ideas are shared across all disciplines, and there are ample opportunities for advancement based on excellence. Superstars are welcome.

At Millennium, we innovate and collaborate to make the world a better place. From the seabed to outer space, you can contribute to work that matters with a company committed to fostering an environment for every teammate that's welcoming, respectful and innovative, with great opportunities for professional growth. Find your future with us.

We areseekinga highly skilled and experienced IT Network Engineer to join our dynamic IT team. This pivotal role willbe responsible forthe 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.

This position's internal job code is Network Designer. Our team is currently hiring for levels 4-5.

Basic Qualifications (Required Skills/Experience):

  • 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

Preferred Qualifications (Desired Skills/Experience):

  • Must know multi-vendor switching and routing (e.g., Juniper, Cisco, Dell)

  • Expertise in routing protocols (e.g., BGP, OSPF)

  • In-depth experience with firewalls (e.g., Palo Alto, Cisco ASA) 

  • Experience deploying and maintaining VPN technologies (e.g., IPsec, SSL VPN, Azure ExpressRoute)

  • Strong knowledge of switching technologies (e.g., Layer 2/Layer 3, VLANs, STP)

  • Experience with network management and automation platforms (e.g., Panorama, Mist, Apstra)

  • DoD 8140 Level 2 Cert (such as Security+ CE or equivalent)

  • Bachelor’s degree from an accepted and accredited college or university with a technical major, such as engineering or computer science or ten (10) years minimum work experience

  • This position requires an active U.S. Security Clearance (U.S. Citizenship Required). (A U.S. Security Clearance that has been active in the past 24 months is considered active)  

Preferred Qualifications

  • Experience with network automation and scripting (e.g., Python, Ansible)

  • Proficiency in network monitoring and analysis tools (e.g., SolarWinds, Wireshark)

  • Experience with cloud networking environments (e.g., AWS, Azure)

  • 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

  • Cisco Certified Network Associate (CCNA) or higher

Drug Free Workplace:

Millennium Space Systems is a Drug Free Workplace 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.

Summary Pay-Range
Please note that the salary information shown below is a general guideline only of what is reasonably expected to be paid for the position. Salaries are based upon candidate experience and qualifications, as well as market and business considerations.

  • Level 4: $121,550 - $178,750

  • Level 5: $143,550 - $213,750

Before applying, please note:
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.


Applications for this position will be accepted until Feb. 08, 2026


Export Control Requirements:

This position must meet U.S. export control compliance requirements. To meet U.S. export control compliance requirements, a “U.S. Person” as defined by 22 C.F.R. §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 an active U.S. Top Secret Security Clearance (U.S. Citizenship Required). (A U.S. Security Clearance that has been active in the past 24 months is considered active)

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.

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Your Benefits

No matter where you are in life, our benefits help prepare you for the present and the future.

  • Generous company match to your 401(k).
  • Industry-leading tuition assistance program pays your institution directly.
  • Fertility, adoption, and surrogacy benefits.
  • Up to $10,000 gift match when you support your favorite nonprofit organizations.
Explore more benefits

These programs are subject to eligibility requirements and other conditions, which may differ for employees of certain subsidiaries or business units, or union-represented employees depending on bargaining agreement terms. If this information conflicts with the program documents, the latter shall control. This material is informational only.

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