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Unlimited leave · Security Engineer

Head of IT and Cybersecurity

TRL11, Inc. · Irvine · United States

Full time Posted Open until 19 Oct 2026
  • Unlimited leave Unlimited Paid Time Off (with prior approval), for Vacation, Sick & Public Holidays, Maternity, Paternity — job description

The job, in the employer's words

TRL11, Inc. is a venture-backed startup developing advanced video technology for space and aerospace/defense applications. The company is building technology for demanding environments where security, reliability, and thoughtful systems design matter. This is an opportunity to join a growing business at a formative stage and help establish the foundations that support both day-to-day operations and long-term compliance readiness.

As Head of IT and Cybersecurity, you will take on a broad, high-impact mandate across internal IT, security, and business systems. This role is well suited to a hands-on leader who enjoys building functions from the ground up, working across technical and operational teams, and creating practical processes that can scale with the company. You will play a central role in shaping how the organization approaches security, compliance, and internal systems as it continues to grow.

Responsibilities

  • Build out the IT and cybersecurity functions.
  • Own the system security plan.
  • Prepare for and achieve CMMC Level 2 certification with a C3PAO.
  • Build and integrate business systems.
  • Handle basic IT helpdesk items while the team scales.
  • Help scale the IT and cybersecurity teams while the business is still small.

Requirements

  • Bachelor's degree in information management systems, computer science, or a similar field.
  • Experience working at companies that design and build their own hardware and software products, along with a track record of helping scale IT and cybersecurity functions in a small company environment.
  • Major contributor or leadership experience within an IT or cybersecurity team, with experience designing, building, certifying, and managing systems in a compliance-heavy environment.
  • Hands-on experience with enterprise IT infrastructure, security tooling, cloud environments, identity and access management, cloud security, and DevOps practices.
  • Strong knowledge of CMMC, NIST 800-171, and FedRAMP, with experience applying Agile practices and NIST SP 800-218.
  • Experience working effectively with leadership, auditors and assessors, customers, software engineering, and operations stakeholders.
  • Eligibility to work in the United States is required.
  • Experience with ISO 12207 is a plus.
  • CISSP, CISM, or Security+ certification is preferred.

Benefits

  • Unlimited Paid Time Off (with prior approval), for Vacation, Sick & Public Holidays, Maternity, Paternity

Benefits mentioned

  • Unlimited Paid Time Off (with prior approval), for Vacation, Sick & Public Holidays, Maternity, Paternity

Requirements mentioned

  • Bachelor's degree in information management systems, computer science, or a similar field.
  • Experience working at companies that design and build their own hardware and software products, along with a track record of helping scale IT and cybersecurity functions in a small company environment.
  • Major contributor or leadership experience within an IT or cybersecurity team, with experience designing, building, certifying, and managing systems in a compliance-heavy environment.
  • Hands-on experience with enterprise IT infrastructure, security tooling, cloud environments, identity and access management, cloud security, and DevOps practices.
  • Strong knowledge of CMMC, NIST 800-171, and FedRAMP, with experience applying Agile practices and NIST SP 800-218.
  • Experience working effectively with leadership, auditors and assessors, customers, software engineering, and operations stakeholders.
  • Eligibility to work in the United States is required.
  • Experience with ISO 12207 is a plus.
  • CISSP, CISM, or Security+ certification is preferred.

No Mondays shows this listing as the employer published it. Check the details on the employer's site before you apply.

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Remote share — Security Engineer jobs in United States

87% are remote

232 of 266 jobs we have listed

How long they stay open — Security Engineer jobs in United States

61 days median time open before the listing ended

Based on 21 ended listings

Advertised pay — Security Engineer jobs in United States

USD 196k median advertised pay / year

Middle half: USD 158k – USD 220k

From 185 listings that state pay