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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: As a Corporate Cybersecurity Analyst at Millennium Space Systems, you will ensure that unclassified and controlled systems comply with corporate security requirements and applicable federal regulations. You will execute vulnerability testing, perform limited penetration testing, and contribute to root cause- analysis and remediation activities while supporting the implementation of the NIST Risk Management Framework, the Cybersecurity Framework, NIST 800-171 R2, and CMMC on the corporate network. This is an onsite role in El Segundo, California.
This position's internal job is Cyber Security Assessment Spec. Our team is currently hiring for a level 1 or 2.
Position Responsibilities:
- Perform daily and weekly audits and scans using SIEM, vulnerability scanners, antivirus, IDS/IPS, Nmap, Wireshark, and similar tools
- Create, modify, and upgrade security tools (SIEM, EDR, DLP), dashboards, queries, and reports
- Execute predefined vulnerability testing and limited penetration testing; conduct foot printing, enumeration, and exploitation as needed
- Perform root cause analysis of findings and assist with remediation reviews
- Create and maintain documentation (Including but not limited to system security plan (SSP), acceptable use policies (AUP), standard operating procedures (SOPs), incident playbooks)
- Assess and implement the NIST Risk Management Framework, Cybersecurity Framework, NIST 800-171 R2, and CMMC on the corporate network
- Work with Information Technology to monitor daily network activity, generate weekly security reports, and brief the Head of Information Security
- Serve as liaison for all corporate Information Security matters, providing strong interpersonal support
- Participate in or lead risk management activities such as disaster recovery, continuity of operations, and incident response
Basic Qualifications (Required Skills/Experience):
- Associates degree in IT, Information Security, Cybersecurity, Computer
- Must have an active DoD 8570/8140 IAM Level 1 security certification (Security+, Cloud+, etc.)
- Experience with SIEM, NIDS/NIPS, EDR, DLP, vulnerability scanning, and network threat hunting
- 1+ years of experience in a SOC, Information Security Analyst role, or equivalent academic experience
- This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship
Preferred Qualifications (Desired Skills/Experience):
- B.S. in Computer Science, Computer Engineering, Cybersecurity, or a related discipline
- Experience in Linux and Windows integrated environments
- Advanced cyber related certifications (CISSP, CISM, etc.)
- Incident response experience or related academic knowledge
- Strong work ethics and ability to learn complex SOC concepts
- 3+ years of experience in a SOC, Information Security Analyst role, or equivalent academic experience
- Working knowledge of NIST 800-171 R2 or related cybersecurity frameworks and familiarity with CMMC
- Experience in digital forensics
- Experience with NIST 800-171 and CMMC
- Experience with SDLC and experience within a DevOps environment
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 1: $80,750 - $118,750
- Level 2: $100,300 - $147,500
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.
Category = Information Technology & Analytics
Applications for this position will be accepted until Aug. 21, 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
Education
Associate's Degree or Equivalent 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.
Skills Required
- Associate's degree in IT, Information Security, Cybersecurity, or Computer (or equivalent)
- Active DoD 8570/8140 IAM Level 1 security certification (e.g., Security+, Cloud+)
- Experience with SIEM, NIDS/NIPS, EDR, DLP, vulnerability scanning, and network threat hunting
- 1+ years of experience in a SOC, Information Security Analyst role, or equivalent academic experience
- Ability to obtain a U.S. Security Clearance; U.S. Citizenship required (eligible for interim/final Secret)
- Onsite work at El Segundo, California (ability to work on site)
- B.S. in Computer Science, Computer Engineering, Cybersecurity, or related discipline
- Experience in Linux and Windows integrated environments
- Advanced cyber certifications (CISSP, CISM, etc.)
- Incident response experience or related academic knowledge
- 3+ years of SOC or Information Security Analyst experience (level 2)
- Working knowledge of NIST 800-171 R2 and familiarity with CMMC
- Experience in digital forensics
- Experience with SDLC and experience within a DevOps environment
Boeing Compensation & Benefits Highlights
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Retirement Support — Retirement programs are presented as a standout, with a “best-in-class” 401(k), strong matching formulas, and eligibility beginning early for many roles. Administration through Fidelity and an emphasis on long-term savings signal depth and reliability.
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Parental & Family Support — Family-building and caregiving resources include fertility, surrogacy, and adoption assistance, plus child, adult, and elder care support in some locations. These programs reflect a broad approach to supporting different family needs.
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Leave & Time Off Breadth — Paid time away is described through a comprehensive policy that integrates PTO with overall compensation and incentives. Multiple forms of paid leave and time off are positioned as part of the core package.
Boeing Insights
What We Do
A leading global aerospace company and top U.S. exporter, Boeing develops, manufactures and services commercial airplanes, defense products and space systems for customers in more than 150 countries. Our U.S. and global workforce and supplier base drive innovation, economic opportunity, sustainability and community impact. Boeing is committed to fostering a culture based on our core values of safety, quality and integrity.
Why Work With Us
Aerospace protects and connects people, enables economic growth and trade, provides humanitarian relief and allows for human exploration of space. Boeing collaborates globally to support responsible growth for our industry, and we invest in innovation that improves the efficiency and sustainability of air travel and our operations.
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