Senior Information Systems Security Manager (ISSM)

epirus· IT and Infrastructure
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📍 Torrance, California, United States💰 USD 151K–187K

About this role

About Epirus

Epirus is a high-growth technology company developing software-defined high-power microwave (HPM) systems with devastating counter-electronics effects on modern drone threats. The Epirus Leonidas HPM family of products, empowered by innovations in AI and microelectronics, is human-safe and cost-effective. Distinguishing itself from lasers, Leonidas excels against drone swarms while also bending the cost curve back in DoD's favor - taking drone-defeat costs from millions of dollars per drone to pennies on the dollar.

 

Job Summary: Epirus is seeking an experienced Senior Information Systems Security Manager (ISSM) to maintain the current classified infrastructure and lead Epirus’ Information Security team’s efforts to obtain Authorizations to Operate (ATO) on future projects. The ISSM will own the classified information system process from start to finish. The ISSM will be required to travel to customer sites or testing facilities as necessary. The ideal candidate is experienced working within the defense industry, has experience bringing multiple systems through the ATO process, and can perform in a fast-moving, startup environment.

 

Responsibilities: 

  • Serve as a key cybersecurity stakeholder in projects, security assessments, program proposals, and program direct work
  • Act as a manager of the existing systems within the current ATO
  • Perform continuous monitoring of current systems
  • Build out and maintain compliant, air-gapped systems in support of program and project efforts
  • Collaborate with the Facility Security Officer (FSO) to develop and implement a robust IS security education, training, and awareness program
  • Travel up to 25% to test sites and customer locations

 

Basic Qualifications:

  • 5+ years of experience as an Information Systems Security Officer (ISSO) or Information Systems Security Manager (ISSM)
  • Fully competent in the execution of RMF system requirements
  • Currently hold a valid IAM Level III certification (CISSP, GSLC, CISM)
  • Active TS/SCI Clearance
  • Experience in utilizing security-relevant tools, operating systems (Windows, Linux, etc.), and applications (SCAP, STIG, Nessus) in support of classified programs
  • Experience developing security policies required to support Interim Authority to Test (IATT), Authorizations to Connect (ATC), and Authorizations to Operate (ATO) efforts
  • Ability to conduct risk assessments and investigations, execute appropriate risk mitigations, and oversee incident response or vulnerabilities promptly and effectively
  • This is a hybrid position with 3 days in the office in Torrance, CA

 

Preferred Skills and Experience:

  • Experience with the Defense Counterintelligence and Security Agency (DCSA) Assessment and Authorization Process Manual (DAAPM) and Risk Management Framework (RMF) security processes

 

ITAR REQUIREMENTS: 

  • To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.  

People are the most important part of Epirus – and always come first. We don’t believe in the word impossible and are always asking “why not” as work to usher in a new paradigm of power efficiency. Our fast-growing team is agile, creative, and innovative. We support a culture of constant learning and sense of belonging among our team members and know that mentorship matters. We embrace diversity, equity and inclusion in the workplace and beyond. To deliver on our mission, we are always looking for problem solvers, changemakers and innovators to join our fast-growing team.

 

As required by the Equal Pay Transparency Act, Epirus provides a reasonable range of minimum compensation for roles that may be hired. Actual compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, and specific office location. 
For the state of California only, the range of starting pay for this role is:
$150,700$186,700 USD

Frequently Asked Questions

What is the salary for the Senior Information Systems Security Manager (ISSM) role at epirus?
The listed salary for this Senior Information Systems Security Manager (ISSM) position at epirus is USD 151K–187K. This is an full-time role.
Where is the Senior Information Systems Security Manager (ISSM) position at epirus located?
This Senior Information Systems Security Manager (ISSM) role at epirus is based in Torrance, California, United States. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Which team or department does the Senior Information Systems Security Manager (ISSM) at epirus belong to?
This Senior Information Systems Security Manager (ISSM) position is part of the IT and Infrastructure department at epirus. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Information Systems Security Manager (ISSM) position at epirus?
Click the "Apply Now" button on this page. You will be redirected to epirus's official application portal hosted on greenhouse where you can submit your application directly.
When was the Senior Information Systems Security Manager (ISSM) job at epirus posted?
This Senior Information Systems Security Manager (ISSM) position at epirus was posted on Aug 3, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Information Systems Security Manager (ISSM)
epirus · 💰 USD 151K–187K
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