Sphinx Defense

Cybersecurity Lead - Information System Security Manager (ISSM)

Chantilly, VA · Contract

No sponsorshipDetected 6 days ago

TypeScriptDevOpsCybersecurityIncident ResponseSystems EngineeringLeadershipCommunicationCollaborationCISSP

About the role

This role is ideal for a cybersecurity professional with deep experience navigating classified environments, managing Risk Management Framework (RMF) activities, and driving successful authorization efforts across complex government systems.
Managing RMF activities throughout the system lifecycle, including authorization packages, security documentation, assessments, and continuous monitoring activities.
Preparing, reviewing, and maintaining cybersecurity artifacts, plans, reports, and executive briefings.

Sphinx is hiring a Cybersecurity Lead/Information System Security Manager (ISSM) to join our growing team and support the delivery of secure software and systems for next-generation space and defense programs.
The ISSM will lead security and compliance efforts across assigned programs, partner closely with software engineering teams, and coordinate with government stakeholders to achieve and maintain system approvals and accreditations.
Leading cybersecurity compliance efforts and coordinating with engineering, program, and government stakeholders to support successful authorization, accreditation, and ongoing security operations.
Partnering with Software Architects and engineering teams to integrate security requirements into system design and implementation.
Collaborating with government Authorizing Officials (AOs), Security Control Assessors (SCAs), and customer security representatives to obtain and maintain system authorizations.
At Sphinx Defense, we are devoted to building a team that represents a variety of backgrounds, perspectives, and skills.
CLEARANCE ELIGIBILITY - This position requires eligibility to obtain and maintain a U.S. security clearance.

Have experience supporting space, intelligence community, or Department of Defense programs.
Have worked in cloud-enabled or containerized environments.
Have experience securing modern software development pipelines and DevSecOps environments.
Have supported multiple system accreditations across complex classified programs.
Have experience briefing cybersecurity status and risks to senior government and executive leadership.
Have 7+ years of experience in cybersecurity, information assurance, information system security, RMF, or related security disciplines.
Have 5+ years of experience supporting classified programs and secure government environments.
Have 5+ years of experience with cybersecurity, compliance, and vulnerability management tools supporting accreditation and continuous monitoring activities.

Expect talented, motivated, and interesting colleagues who emphasize collaboration, transparency, and individual responsibility.

This role is between $160,000 and $218,000 base salary.
includes competitive salary, meaningful equity ownership, profit sharing, employer 401(k) contribution, and 100% employer covered medical, dental, and vision insurance for you and your dependents.

Compensation includes competitive salary, meaningful equity ownership, profit sharing, employer 401(k) contribution, and 100% employer covered medical, dental, and vision insurance for you and your dependents.

You'll play a critical role in ensuring our mission systems meet security requirements, maintain compliance, and successfully achieve and sustain authorization across classified environments.

This listing is sourced directly from Sphinx Defense's careers page and normalized into a canonical job model.