--- title: 'Corporate Security Manager (FSO/CSSO) at Sphinx Defense' canonical: 'https://feeny.ai/job/corporate-security-manager-fso-csso-sphinx-defense-colorado-springs-zepc7eqzhv61' type: 'job' last_seen: '2026-11-10' --- # Corporate Security Manager (FSO/CSSO) at Sphinx Defense - **Company:** Sphinx Defense - **Location:** Colorado Springs, CO - **Posted:** 2026-11-04 - **Last confirmed live:** 2026-11-10 - **Apply:** https://job-boards.greenhouse.io/sphinxdefense/jobs/5428984008 ## Job description ## 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by engineers and technologists with deep experience across commercial and defense technology, we were frustrated by the outdated and insecure technology America's service members are forced to rely on.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 This Corporate 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](https://www.state.gov/security-clearances#:~:text=Security%20clearances%20only%20apply%20to,behalf%20of%20the%20federal%20government.). 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](https://www.pmddtc.state.gov/?id=ddtc_kb_article_page&sys_id=24d528fddbfc930044f9ff621f961987). ## About Sphinx Defense ## Core Business - **Primary Industry**: Defense / Space – Satellite ground systems software - **Target Customers**: U.S. Government (including military) and commercial satellite operators – B2B/Enterprise - **Mission**: Solve the toughest ground-side challenges in satellite operations, making data transfer faster, smarter, and more secure. [sphinxdefense.com/what-we-do/](https://sphinxdefense.com/what-we-do/) ## Products & Services - **SCOPe (Sphinx Contact Optimization & Planning Engine)**: A proprietary platform that eliminates bottlenecks in satellite operations by identifying optimal time windows for downlinking and uplinking data between satellites and ground stations. Available for licensing. [sphinxdefense.com/what-we-do/](https://sphinxdefense.com/what-we-do/) - **Ground Transport Communications**: Secure, resilient terrestrial data movement solutions that connect operators to satellites. - **Mission Communications Planning**: Software for link scheduling, bandwidth optimization, and secure data pathways across military and commercial satellite networks. - **Custom Software Development**: Tailored solutions for command and control, SATCOM planning, and cybersecurity challenges. [sphinxdefense.com/what-we-do/](https://sphinxdefense.com/what-we-do/) ## Market Standing - **Valuation / Market Cap**: Not disclosed - **Key Metric**: No public revenue or funding data available - **Notable Investors / Partners**: Not publicly listed - **Growth Signals**: The company is actively hiring (multiple engineering and product roles posted), indicating expansion. [job-boards.greenhouse.io/sphinxdefense](http://job-boards.greenhouse.io/sphinxdefense) ## Competitive Advantages - **Software-Focused, Engineering-Led**: The team is composed entirely of exceptional engineers (front-end, back-end, infrastructure) who concentrate solely on software – no hardware distractions. [sphinxdefense.com/what-we-do/](https://sphinxdefense.com/what-we-do/) - **Speed as Strategy**: Every line of code is delivered mission-ready, with a culture that prioritizes rapid, high-quality output. - **Uncompromising Code Quality**: High standards and a low-ego environment ensure robust, secure solutions. - **Deep Domain Expertise**: Focused exclusively on ground-side satellite problems, a niche that many competitors overlook. [sphinxdefense.com/who-we-are/](https://sphinxdefense.com/who-we-are/) ## Strategic Focus - Continue building and licensing proprietary platforms (like SCOPe) for satellite ground operations. - Deepen partnerships with U.S. Government and commercial space clients. - Expand engineering talent and maintain a distributed, flexible workforce to attract top problem-solvers. [sphinxdefense.com/who-we-are/](https://sphinxdefense.com/who-we-are/) ## Why Work Here - **Mission-Driven Work**: Directly contribute to national security and critical space communications. [sphinxdefense.com/careers/](https://sphinxdefense.com/careers/) - **Engineering Culture**: High standards, low ego, collaboration, and hands-on leadership. - **Remote/Hybrid**: Distributed across the United States with flexible schedules and autonomy. - **Benefits**: Equity ownership, profit sharing, comprehensive insurance, 401(k) contributions, generous vacation policy. - **Inclusivity**: All voices are valued – engineers and non-engineers alike. - **Note**: Some roles require U.S. citizenship and residency within the U.S. due to government contracts. [sphinxdefense.com/careers/](https://sphinxdefense.com/careers/) ## Sources 1. [sphinxdefense.com](https://sphinxdefense.com/) – Company homepage, engineering culture overview 2. [sphinxdefense.com/careers/](https://sphinxdefense.com/careers/) – Careers page with benefits and culture details 3. [sphinxdefense.com/what-we-do/](https://sphinxdefense.com/what-we-do/) – Products, services, and competitive advantages 4. [sphinxdefense.com/who-we-are/](https://sphinxdefense.com/who-we-are/) – Leadership, founders, and distributed team 5. 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