Information Systems Security Officer (Cybersecurity)

TL;DR

Information Systems Security Officer (Cybersecurity): Managing day-to-day security operations and compliance for classified information systems with an accent on system authorization and continuous monitoring. Focus on executing vulnerability scans, maintaining RMF compliance, and ensuring adherence to government security policies.

Location: Onsite in Hawthorne, California, United States

Salary: $140,000 - $160,000

Company

hirify.global is redefining modern defense with a multi-product portfolio powered by Coherent Distributed Networks (CDN™).

What you will do

• Develop and maintain system security documentation including SSPs, Security CONOPs, and SOPs.
• Ensure systems operate in accordance with ATOs and government requirements (NIST RMF, ICD 503, JSIG, DAAPM).
• Conduct vulnerability scans using ACAS/Nessus and SCAP tools, tracking remediation via POA&Ms.
• Execute routine audit log reviews, account management checks, and security event monitoring.
• Brief personnel on security requirements and handle access requests and account provisioning.
• Review hardware, software, and firmware change requests for security impact.

Requirements

• Bachelor's degree in Cybersecurity, IT, Computer Science, or a related field.
• 3+ years of experience in information security, with 1–2 years as an ISSO for classified U.S. Government systems.
• Hands-on experience with RMF-based system authorization (ICD 503, JSIG, or DAAPM) at Secret or TS/SCI level.
• Working knowledge of ACAS/Nessus, SCAP Compliance Checker, and DISA STIGs.
• Active Secret clearance required at time of hire; TS/SCI eligibility preferred.
• IAT Level II or IAM Level II certification required (e.g., Security+, CySA+, CAP, CASP+).

Nice to have

• Experience supporting Special Access Programs (SAPs) or SCI compartmented programs.
• Familiarity with Xacta, eMASS, or equivalent GRC platforms.
• Experience with SIEM platforms such as Splunk or ArcSight in classified environments.
• Additional certifications like CISSP (Associate), CEH, or GCIH.

Culture & Benefits

• Medical, dental, and vision benefits 100% paid by the company.
• 401k with 50% company match up to 6% of pay, plus FSA and HSA.
• Unlimited PTO and 'No meeting Fridays'.
• Free daily lunch and casual dress code.
• Generous pre-IPO stock option grants and relocation assistance.