2,287,779open jobs
145,433companies
278,318added this week
Browse all
Salary
$135k – $180k per year
Location
Hybrid (Colorado Springs, United States)
Seniority
Staff · 10+ years exp

Confirmed on the employer's own hiring board on Nov 15, 2026. First seen by Alion on Nov 4, 2026. Sphinx Defense scores A on the Alion truth index.

Overview
Company
Impact
Profile match
At Sphinx Defense, we develop high-performance software that powers secure, efficient space missions—keeping critical missions on track.

ABOUT SPHINX

Sphinx builds software to solve complex national security problems in Space. Founded by engineers and technologists with deep experience across commercial and defense technology, we were frustrated by the outdated and insecure technology America's service members are forced to rely on. We're here to do better. 

We’re focused on building modern, scalable products with an emphasis on using open source technologies. Expect talented, motivated, and interesting colleagues who emphasize collaboration, transparency, and individual responsibility.

ABOUT THE ROLE

Sphinx is hiring a Corporate Security Manager (FSO/CSSO) to join our team and lead security operations in support of our growing portfolio of national security and space programs. This role will be responsible for maturing and overseeing all aspects of physical and personnel security Sphinx across all levels of classification. Our ideal colleague will ensure compliance with Department of Defense (DoD) and Intelligence Community (IC) requirements and applicable federal security regulations while enabling Sphinx to continuing 

ThisCorporate Security Manager (FSO/CSSO) will mature Sphinx’s Industrial and Program Security functions to keep pace of our growing classified portfolio and facility footprint. You will operate as both a FSO and a CSSO in support of programs at all levels of classification, and your work will require ensuring Sphinx is responsive to and compliant with multiple government organizations’ requirements, including SAP-specific security requirements. You’ll play a critical role in enabling our teams to execute sensitive defense missions.

What you will be focusing on:

  • Lead day-to-day personnel and physical security operations for Sphinx facilities and programs; you’ll need to balance supporting specific programs and also maturing security processes, plans and posture of the entire company.
  • Serve as the organization’s COMSEC Responsible Officer (CRO), overseeing COMSEC requirements in support of classified programs.
  • Maintain compliance with applicable DoD, IC, contractual, and federal security requirements, including the implementation and management of both SCI and SAP security requirements.
  • Oversee personnel security (PERSEC) activities, including clearance processing, access eligibility, briefings/debriefings, visit requests, and related security documentation.
  • Interface with government security organizations and systems, particularly those supporting the Department of the Air Force, to ensure security requirements are blocking program activities.
  • Support security inspections, audits, assessments, incident reporting, and corrective actions to maintain program and facility compliance.
  • Develop, implement, and maintain security policies, procedures, training, and documentation appropriate for classified operations.
  • Partner with program and company leadership to identify security risks and ensure security requirements are incorporated into program execution.
  • Support the establishment, accreditation, and ongoing operation of new classified facilities as Sphinx continues to grow.

You might be a good fit if you:

  • Have 10+ years of experience supporting security operations within the defense, intelligence, aerospace, or another highly regulated national security environment.
  • Have experience serving as an FSO, CSSO, Program Security Officer/Representative, Personnel Security Lead, or in a comparable security leadership role.
  • Are qualified or prepared to serve as a COMSEC Responsible Officer (CRO).
  • Have strong knowledge of DoD and federal security requirements governing classified facilities, personnel, information, and programs.
  • Have hands-on experience supporting SCI environments, with demonstrated knowledge of and experience supporting Special Access Program (SAP) security requirements and operations.
  • Are experienced with government security and clearance systems such as NISS, JPAS, DISS, Scattered Castles, JADE and related DoD/IC and SAP security systems.
  • Have experience managing personnel security processes, classified access, security documentation, inspections, and compliance activities.
  • Bring experience supporting U.S. Space Force or other space-focused defense programs
  • Are comfortable operating independently in a growing organization where security processes and infrastructure may need to scale alongside the business.
  • Hold an active Top Secret (TS) clearance and are eligible to hold and maintain a TS/SCI clearance.

LOCATION

This role is a hybrid role based in Colorado Springs, CO. This position requires approximately 15% travel to company meetings and customer site visits.

COMPENSATION

This role is between $135,000 and $180,000 base salary.

BENEFITS

Compensation includes competitive salary, meaningful equity ownership, profit sharing, employer 401(k) contribution, and 100% employer covered medical, dental, and vision insurance for you and your dependents.

ELIGIBILITY

Must be a US Citizen.

Must be able to obtain and hold a U.S. TS/SCI security clearance.

EEO STATEMENT

At Sphinx Defense, we are devoted to building a team that represents a variety of backgrounds, perspectives, and skills. Sphinx Defense is committed to providing equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, and gender identity.

CLEARANCE ELIGIBILITY - This position requires eligibility to obtain and maintain a U.S. security clearance. For more information about U.S. Security Clearances:  click here. 

To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR  here.  

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,287,779 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Recommended for you based on this role

Operations
Similar stack
Same company
Colorado Springs
Property Manager 3 months ago
$107k – $175k per year · In office · 5+ years exp · Bachelor's Degree · Boston
Apply
$73k – $100k per year · Equity · Hybrid · 2+ years exp · McLean
AI/ML
Copilot
Analytics
Microsoft Excel
Management
ITIL
Apply
Plant Manager 25 days ago
In office · Full-Time · 7+ years exp · High School Diploma · Harrisonburg
Apply
Plant Manager 25 days ago
In office · Full-Time · 5+ years exp · Bachelor's Degree · Garwood
Apply
Construction Leadman 9 months ago
In office · Full-Time · 6+ years exp · Phoenix
Apply
$145k – $156k per year · In office · TS/SCI · 1+ year exp · Bachelor's Degree · Colorado Springs
Analytics
Microsoft Excel
Apply
Welder 1 day ago
$50k – $70k per year · In office · Colorado Springs
Apply
$93k per year · In office · Colorado Springs
Apply
$60k – $76k per year · In office · 1+ year exp · Colorado Springs
Apply
$48k – $66k per year · In office · 1+ year exp · Colorado Springs
Apply
See all jobs
This is one of many
2,287,779 more open roles from verified company boards, updated every day.