IT & Security TPM for Nuclear Tech Operations

Radiant industries; El Segundo (CA); On-site; USD 180,000 - 240,000; Full time

Benefits offered by this job

Stock plan

Medical benefits

One Medical

Vision plan

Dental plan

Parental leave

Lunch and snacks

Flexible PTO

Remote workday option

El Segundo HQ

Job summary

Radiant is seeking a Technical Program Manager, IT & Security in El Segundo, CA to own visibility and delivery across eight concurrent programs, spanning national labs, manufacturing facilities, and compliance initiatives. You’ll coordinate between facilities, engineering, and external partners, ensuring aligned teams and a single shared schedule.

You will represent IT leadership in key meetings, drive accountability, and help prioritize mitigations and escalation.

Qualifications

• 6+ years in technical program or project management, including infrastructure and security programs.
• Hands-on Atlassian administration built Jira projects, workflows, dashboards, and Confluence spaces that teams actually adopted.
• Regulated environment experience (nuclear, defense, aerospace, life sciences or similar).
• Strong written communication: documentation engineers respect and executives can act on.

Responsibilities

• Build the system of record for how IT and security programs are tracked at Radiant, standing up the tooling, cadence, and reporting.
• Own the operating cadence, including recurring status meetings within IT and security and cross-functional reviews with facilities, construction, engineering, and external partners; set agendas, drive to decisions, capture actions, and follow up.
• Maintain integrated schedules, dependencies, risks, and milestones across concurrent programs; know what's on track and what needs escalation.
• Keep IT scope sequenced with construction, partnering with the facilities project manager to ensure structured cabling, MDF/IDF, low-voltage, access control, cameras, wireless, and carrier circuits are planned into general contractor milestones.
• Support the CMMC and NIST SP 800-171 compliance program alongside executives, tracking milestone plans, POA&M status, remediation coordination, evidence collection, and assessor coordination.
• Produce technical and network diagrams, architecture documentation, project charters, status reporting, and executive summaries.
• Escalate slipping commitments and unresolved blockers to the VP of IT and VP of Cybersecurity early enough to act on them.

Skills

Technical program management

Atlassian administration

Stakeholder management

Written communication

Multi-site programs

Nuclear/defense familiarity

Education

Bachelor's degree in CS/CE/IT/Cybersecurity

Tools

Jira

Confluence

Job description

Radiant is seeking a Technical Program Manager, IT & Security in El Segundo, CA to own visibility and delivery across eight concurrent programs, spanning national labs, manufacturing facilities, and compliance initiatives. You’ll coordinate between facilities, engineering, and external partners, ensuring aligned teams and a single shared schedule.

You will represent IT leadership in key meetings, drive accountability, and help prioritize mitigations and escalation.