Senior Information Systems Security Officer - ISSO

Two Six Technologies•Herndon, VA

4d•$160,000 - $220,000•Onsite

About The Position

Two Six Technologies is seeking a full-time Senior Information Systems Security Officer (ISSO) for its Corporate team. The role supports classified programs and assists the Information System Security Manager in ensuring compliance. The ISSO will work with the Corporate ISSM and CSO to build, architect, and accredit classified information systems, and will be responsible for achieving accreditation and maintaining compliance for the Herndon program. The position serves as an information security liaison among the program, customer, and security team and advises the ISSM through the Risk Management Framework (RMF) process. The role is based at the company's Herndon, Virginia office, with potential local travel to other sites. Work environments include Windows 10/11, Active Directory/Group Policy, Red Hat Enterprise Linux (RHEL), Ubuntu Linux, and VMware vSphere/ESXi.

Requirements

At least 5 years of experience working as an ISSO in a classified environment.
Bachelor's degree in Cybersecurity, Computer Science, Information Security, or a related field; advanced professional industry certifications may be substituted.
An 8140 certification, such as Security+, GCISP, GSEC, SSCP, CASP+, CISM, or CISSP.
Working knowledge of tools such as Splunk, SNOW (ServiceNow), and Talon.
Working knowledge of government regulations and guidance, including DAAPM, JSIG, NIST SP 800-53, and NIST SP 800-171.
Advanced understanding of security compliance matrices.
Experience working within the Intelligence Community and with ICD 503 requirements and NIST 800-53 controls.
Ability to work effectively on a team and independently, with attention to detail, strong analytical and critical problem-solving abilities, and excellent communication skills.
Active TS/SCI clearance with eligibility for Poly.

Nice To Haves

Operating system certifications such as LPIC, Linux+, RHCSA, or Microsoft Administrator certifications.
Working experience primarily with Windows and some experience with Linux.
Active TS/SCI with Poly.

Responsibilities

Work with the Corporate ISSM and CSO to build, architect, and accredit classified information systems.
Achieve accreditation and maintain compliance for the Herndon program.
Serve as the information security liaison between the program, customer, and security team.
Serve as an advisor to the ISSM in the RMF process.
Complete STIG checklists and POA&Ms as required.
Review all data transfers to information systems.
Perform weekly, bi-weekly, and monthly audits for assigned accredited systems.
Conduct Continuous Monitoring activities as required by customer requirements.
Create new policies and maintain existing policies.