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Senior Network Engineer-Millennium Space Systems

El Segundo, California Job ID JR2026501705 Category Security Clearance Role Type Onsite Post Date Mar. 19, 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 (MSS), 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.

Millennium Space Systems (MSS) has an exciting opportunity for a Senior Network Engineer (Level 5) to join the MSS team in El Segundo, CA!

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.

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 

This position is expected to be 100% onsite.  The selected candidate will be required to work onsite at one of the listed location options.

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)

Basic Qualifications (Required Skills/Experience):

  • Bachelor's Degree and 6 or more years' related work experience or an equivalent combination of education and experience (e.g. Master+4 years' related work experience, 10 years' related work experience, etc.)
  • 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)

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) 
  • 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 

Relocation assistance is not a negotiable benefit for this position. Candidates must live in the immediate area or relocate at their own expense.

Travel: Up to 10 percent travel

Shift: 1st Shift

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 & Pay Transparency:

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.

The Boeing Company 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.

The Boeing 401(k) helps you save for your future, with contributions from Boeing that can help you grow your retirement savings. Our best-in-class retirement benefit features:

  • Best in class 401(k) plan: we'll match your contributions dollar for dollar, up to 10% of eligible pay with immediate 100% vesting
  • Student Loan Match: The Boeing 401(k) Student Loan Match allows eligible enrolled U.S. employees to have their qualified student loan debt payments counted, along with any match-eligible contributions they make, for purposes of determining the Company Match to employees' Boeing 401(k) accounts. 

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

Summary pay range for: $158,950-$215,050

Applications for this position will be accepted until April 9, 2026


Applications for this position will be accepted until Apr. 10, 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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No matter where you are in life, our benefits help prepare you for the present and the future.

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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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