Senior Spacecraft Avionics Security Engineer - Millennium Space Systems

Boeing; El Segundo (CA); On-site; USD 146,000 - 230,000; Full time

Benefits offered by this job

Health insurance

Retirement plans

Job summary

Millennium Space Systems, a Boeing company, seeks a Senior Spacecraft Avionics Security Engineer to lead security efforts for space vehicles and avionics. You will define architecture, implement cryptographic subsystems, and ensure end-to-end security across the lifecycle.

You will drive security requirements, verification, and collaboration across software, hardware and systems teams while engaging customers and stakeholders on product security approaches.

Qualifications

• Bachelor's degree in Engineering or related field.
• 5+ years experience in spacecraft/product security.
• Understanding of SV avionics and flight software architectures.
• Knowledge of root of trust, secure boot, and related cybersecurity features.
• Familiarity with RMF and security certification processes.
• U.S. citizenship and ability to obtain a security clearance.

Responsibilities

• Define vehicle-wide security architecture and integrate crypto devices.
• Implement secure boot, key storage and red/black isolation.
• Develop system security requirements, verification plans and artifacts.
• Develop threat models and tailored countermeasures.
• Support security requirements across product lifecycle and validation.
• Collaborate with software/hardware teams on cybersecurity implementations.
• Lead customer interactions on product and system security for space systems.
• Coordinate with government and suppliers on security standards.

Skills

Spacecraft security

Security architecture

Cryptography

RMF familiarity

Networking

Education

Bachelor's degree in Engineering

Tools

Embedded Linux

RMF controls

Job description

Senior Spacecraft Avionics Security Engineer - Millennium Space Systems 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.

Job Summary

The Senior Spacecraft Avionics Security Engineer is the technical authority for all space vehicle and avionics product‑level security of Millennium’s space systems.You will design, implement, and sustain cryptographic subsystems, red/black separation, and end‑to‑end security architectures that protect hardware, software, data, and communications throughout the entire vehicle lifecycle and drive security requirements, processes, and verification at the product and mission level. This position's internal job code is EE Sys Design Engineer. Our team is currently hiring for Levels 4-5.

Position Responsibilities

• Mission and Product‑Level Security Management
• Define vehicle‑wide security architecture, select and integrate space‑qualified crypto devices, implement secure boot, key storage, and red/black isolation
• Develop and maintain system security requirements, verification plans, and certification artifacts (DoD RMF, customer security clauses)
• Develop threat assessment models and tailored approaches to counter them
• Support product‑level security requirements definition, implementation, verification, and validation across the full lifecycle
• Work with software, hardware, and systems engineering teams to develop new processes and procedures for enhanced cybersecurity implementations at both the product and system level
• Networking Systems Engineering Lead design, requirements management, and integration of space‑vehicle and constellation‑level networks (on‑board LANs, inter‑satellite mesh, space‑to‑ground links)
• Define and maintain CONOPS, ICDs, and requirements for routing, virtualization, VPN tunneling, VLAN segmentation, and QoS across heterogeneous RF/optical links.
• Apply enterprise networking principles (WAN/LAN/WLAN, IPv6, MPLS, IPsec) to distributed space systems while preserving red/black separation
• Direct integration and verification activities that validate networking implementations
• Stakeholder & Business Development Support
• Lead customer interactions on product and system level cybersecurity for space systems
• Develop presentation content and brief customers on Millennium product security approaches
• Assist the business‑development team in crafting compliant proposals that meet customer cybersecurity and networking requirements
• Supplier & Government Coordination
• Define security and networking requirements for component/subsystem suppliers; review supplier deliverables; liaise with government agencies, customers, and industry groups to influence standards and risk‑acceptance processes
• Other duties as assigned

Basic Qualifications (Required Skills/Experience)

• Bachelor of Science degree in Engineering (with a focus in Electrical, Mechanical or Aeronautical), Computer Science, Data Science, Mathematics, Physics, Chemistry or non-US equivalent qualifications directly related to the work statement
• 5+ years experience working spacecraft/product security
• Technical understanding of SV avionics architectures
• Technical understanding of SV flight software architectures to include embedded Linux
• Technical understanding of product cybersecurity features to include root of trust, secure boot, etc.
• Familiarity with DoD Risk Management Framework (RMF)
• This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship.
• A final U.S. Security Clearance Post-Start is required.

Preferred Qualifications (Desired Skills/Experience)

• Experience working with cryptography and Anti-Tamper design knowledge
• Experience working with TEMPEST designs
• Methodical design, testing, and troubleshooting capabilities
• Must be versatile and able to perform and manage multiple tasks concurrently
• Outstanding communication and presentation skills
• Experience with DoD RMF controls implementation
• 10+ years experience working spacecraft/product security
• TS/SCI clearance
• Conflict of Interest: Successful candidates for this job must satisfy the Company’s Conflict of Interest (COI) assessment process.

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 4: $146,200 - $215,000 Level 5: $176,800 - $230,000

Location and Eligibility

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. Language Requirements: Not Applicable Education: Bachelor's Degree or Equivalent Relocation: Relocation assistance is not a negotiable benefit for this position. Export Control Requirement: 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.

Safety and Compliance

Safety Sensitive: This is not a Safety Sensitive 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. Contingent Upon Award Program This position is not contingent upon program award Shift: Shift 1 (United States of America)

Equal Opportunity and Diversity

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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Boeing is committed to protecting, connecting and exploring our world and beyond, safely and sustainably. From the seabed to outer space, you can contribute to work that matters with a company where diversity, equity and inclusion are shared values. We’re committed to fostering an environment that’s welcoming, respectful and inclusive of every teammate, with great opportunity for professional growth. Find your future with us.