Hiring: Senior Information System Security Engineer Company: Open Systems Technologies Corporation Location: Huntsville, AL Job Posted Time: 2026-09-17 04:59:54 About the job Experience: •Bachelor’s and advanced degree in Computer Science, Cybersecurity, or other cyber discipline is preferred; plus minimum 8 years’ experience, or equivalent education/experience; Doctorate plus 6 years; Master’s plus 6 years; Associates plus 10 years; or H.S./GED plus 14 years. •8 years’ experience, or equivalent education/experience; Doctorate plus 6 years; Master’s plus 6 years; Associates plus 10 years; or H.S./GED plus 14 years. •Minimum 8 years’ experience, or equivalent education/experience; Doctorate plus 6 years; Master’s plus 6 years; Associates plus 10 years; or H.S./GED plus 14 years. Qualifications: •CLEARANCE: Top Secret required; SCI eligibility preferred •Operational familiarity with the use and operation of security tools including Tenable Nessus and/or Security Center, IBM Guardium, HP WeblInspect, Network Mapper (NMAP), and/or similar applications. •Must hold at least one of the following DoD 8140 compliant certifications: CCISO, CISA, CISM, CISSP, CISSP-ISSEP, CySA+, GSLC, GSNA, CCNP Enterprise, CISSP-ISSAP, CISSP-ISSEP, GCIA, GDSA, or GICSP. Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!