Onsite IT Infrastructure & Security Program Lead

Radiant; El Segundo (CA); On-site; USD 150,000 - 210,000; Full time

Benefits offered by this job

Stock options

Medical benefits

One Medical membership

Vision coverage

Dental coverage

Life and disability benefits

Parental leave

Job summary

Radiant, an El Segundo, CA-based company building transportable nuclear microreactors, seeks a Technical Program Manager for IT and Security to own visibility and delivery across eight concurrent programs. You will keep teams aligned, unblock them, and ensure schedule-driven execution across facilities, construction, and external partners.

You will coordinate IT and security initiatives, lead reporting cadence, and provide executive-friendly summaries while navigating a regulated, multi-site

Qualifications

• 6+ years in technical program or project management incl. IT infra and security programs.
• Breadth of IT project experience: site build-outs, infra deployment, IT strategy/roadmap, PM/PMO, contracts, budget, IT ops.
• Hands-on Atlassian administration: Jira, workflows, dashboards, Confluence spaces adopted by teams.
• Can participate in architecture review; reads network diagrams; understands infra and security concepts.
• Strong written communication; produces docs for engineers and executives.
• Proven experience influencing, stakeholder management, and teamwork.
• Experience in regulated environments (nuclear/defense/aerospace or similar).

Responsibilities

• Build system of record for tracking IT and security programs, tooling, cadence, reporting.
• Own operating cadence: status meetings, cross-functional reviews, agendas, decisions, actions.
• Maintain integrated schedules across eight programs; identify risks and escalations.
• Produce network and architecture diagrams, project charters, status reports, exec summaries.
• Synchronize IT scope with construction milestones (cabling, MDF/IDF, low voltage, access control, cameras, wireless, circuits).
• Escalate blockers to VP IT/Cybersecurity; represent IT leadership in meetings.
• Support CMMC/NIST SP 800-171: milestone plans, POA&M, remediation, evidence, assessor; security decisions stay with security team.
• First 90 days: inventory programs, stand Jira/Confluence, publish integrated portfolio schedule, establish cadence.

Skills

Program management

IT infrastructure

Security programs

Jira/Confluence admin

Stakeholder mgmt

Written communication

Regulated env.

Education

Bachelor's degree in IT/Engineering

Tools

Jira

Confluence

Job description

Radiant, an El Segundo, CA-based company building transportable nuclear microreactors, seeks a Technical Program Manager for IT and Security to own visibility and delivery across eight concurrent programs. You will keep teams aligned, unblock them, and ensure schedule-driven execution across facilities, construction, and external partners.

You will coordinate IT and security initiatives, lead reporting cadence, and provide executive-friendly summaries while navigating a regulated, multi-site