Information System Security Officer

About the Role

As the Information System Security Officer (ISSO), you will serve as the hands-on security practitioner responsible for day-to-day compliance execution and vulnerability management across assigned systems. You will run scans, validate STIGs, manage access controls, investigate security events, and maintain compliance evidence to support the team's authorization portfolio.

Key Responsibilities

• Provide expertise in documenting security controls that apply to respective systems to meet cybersecurity framework requirements.
• Perform required security functions on an iterative basis to meet requirements and deliver results.
• Apply technology standards from the commercial space in classified, air-gapped environments.
• Assist stakeholders in understanding key needs and provide complex technical solutions to meet contractual obligations.
• Tailor NIST 800-53 controls to determine applicability to the network environment and oversee the implementation of Continuous Monitoring for respective programs.
• Define, document, and conduct security scanning on Anduril’s products and accredited information systems.
• Scope, shape, and orchestrate the development of features to ensure products meet compliance goals.
• Assist, or lead, incident response efforts, including investigation, root cause analysis, containment, and reporting.

Requirements & Tech Stack

• Design, develop, and implement secure systems and networks per NIST RMF, JSIG, and other industry standards.
• Participate and assist in security risk assessments, vulnerability assessments, and audits to identify and mitigate threats.
• Speak to and recommend security solutions, such as IDS/IPS, encryption protocols, and secure communications technologies.
• Develop and enforce access controls, encryption strategies, and other technical measures to safeguard systems.
• Maintain and update System Security Plans (SSPs), POA&Ms, and other accreditation documentation.
• Manage the organization’s security posture, ensuring compliance with internal policies and external regulatory frameworks.
• Participate in the Authorization and Accreditation (A&A) processes to obtain/maintain system Authority to Operate (ATO).
• Conduct regular audits, continuous monitoring, and risk assessments to ensure ongoing compliance and system resilience.
• Collaborate with government security officials, stakeholders, and teams to address security gaps and improve controls.

Qualifications

• Currently possesses and is able to maintain an active U.S. Top Secret security clearance.
• Experience with industry standard tools such as Splunk, DISA STIGs, and SCC.
• Ability to understand programming/scripting languages, i.e. Python, Powershell, Bash.
• Understanding of Linux Red Hat operating systems and SELinux policy.