Sr. Information Systems Security Officer (ISSO), Cloud

Tyto Athene, LLC•Washington, DC

About The Position

Tyto Athene is seeking a Sr. Information Systems Security Officer (ISSO), Cloud to support a federal customer on an Information Security program to serve as an ISSO and Task Lead. This role involves leading, mentoring, and supervising a team of security professionals responsible for the end-to-end implementation of the Risk Management Framework (RMF) lifecycle for the customer's IT systems. The position requires overseeing and coordinating activities within the Prepare step, guiding system categorization, and directing the selection and implementation of security controls. The ISSO will ensure comprehensive security control assessments are conducted, prepare risk management documentation, and direct ongoing monitoring activities. A key aspect of the role is fostering security awareness through technical guidance and training, and maintaining up-to-date knowledge of RMF, NIST guidance, and industry best practices.

Requirements

15 years of experience in IT security, with a focus on federal IT compliance.
Minimum of 9 years of work experience in a computer science or Cybersecurity related field.
7 years’ experience serving as an Information Systems Security Officer (ISSO) or Information System Security Engineer at a cleared facility.
One of more of the following certifications: CISSP; GISP; CASP (SecurityX); CISM; GSLC
Additional requirement to hold at least one Security certification from AWS, Azure, or GCP: AWS Certified Security – Specialty, (ISC)2 Certified Cloud Security Professional (CCSP), AWS Certified Solutions Architect – Associate, AZ-500: Microsoft Certified: Azure Security Engineer Associate, Google - Professional Cloud Security Engineer
Familiarity with the use and operation of security tools including Tenable Nessus and/or Security Center, Splunk, IBM Guardium, HP WebInspect, Network Mapper (NMAP), and/or similar applications
Experience supporting programs that operate hundreds of low-, moderate-, and high-impact on-premises and cloud (Azure/AWS) systems across unclassified and classified environments.
Proven ability to communicate effectively with senior leadership and across diverse teams, acting as both a leader and collaborator.
Active Top Secret clearance with SCI eligibility

Nice To Haves

Bachelor’s and/or advanced degree in computer science, business management, or IT related discipline is preferred.
Experience in cybersecurity engineering, including encryption, multi-factor authentication, centralized logging, and other key risk management capabilities.
Experience with DOJ, DHS, or similar federal agencies

Responsibilities

Lead, mentor, and supervise a team of security professionals responsible for the end-to-end implementation of the RMF lifecycle for customer's IT systems.
Oversee and coordinate activities within the Prepare step, ensuring roles, responsibilities, and risk management strategies are clearly defined and maintained.
Guide system categorization efforts to ensure all information systems are appropriately classified based on mission/business impact and regulatory requirements.
Direct the selection, tailoring, and documentation of security controls aligned with system categorizations, Bureau risk appetite, and compliance requirements.
Oversee the implementation of technical, operational, and management controls throughout system and application lifecycles, with a particular focus on quality and completeness of all deliverables.
Ensure comprehensive security control assessments are planned, executed, and documented to validate the effectiveness of implemented safeguards.
Prepare risk management documentation for system authorization and executive decision making.
Direct ongoing monitoring and continuous assessment activities, collecting metrics to adjust security strategies and ensure sustained compliance.
Foster a culture of security awareness, providing technical guidance and training to both team members and stakeholders.
Maintain up-to-date knowledge of RMF, NIST guidance, and industry best practices in support of continuous process improvement.