Customer Success Manager

Atomus; San Francisco (CA); On-site; USD 90,000 - 130,000; Full time

Job summary

Atomus is seeking a Customer Success Manager in San Francisco to own ongoing relationships with defense and aerospace customers after go-live on the Aegis platform. You will ensure security, compliance, and success while collaborating with a Cybersecurity Engineer in a tight cross-functional pod.

You will manage a portfolio of customers, conduct quarterly compliance reviews, translate regulatory controls into business outcomes, and drive retention. Travel to client sites about once a month.

Qualifications

• 2–5 years in customer success or similar role at a B2B SaaS or technology company.
• Excellent written and verbal communication; translate technical and regulatory topics clearly.
• Strong ownership, organization, and follow-through across multiple accounts and priorities.
• Comfort learning a technical, highly regulated product.
• On-site work in San Francisco full-time.

Responsibilities

• Serve as primary contact and first line of support for a portfolio of customers' cybersecurity and compliance questions.
• Lead quarterly compliance reviews with customer leadership and drive documentation to sign-off.
• Guide customers through the NIST 800-171 and CMMC Level 2 lifecycle, translating controls into business outcomes.
• Partner with a Cybersecurity Engineer to co-own the management of customer accounts.
• Own retention and surface customer feedback to engineering and product teams to improve the Aegis platform.
• Travel to customer sites approximately once per month.

Skills

Account management

Customer success

Technical communication

Ownership

Regulatory/GRC

On-site work

Cross-functional collaboration

Tools

Microsoft 365

Intune

Microsoft Defender

IT ticketing systems

Job description

About the Role

The Customer Success Manager owns the ongoing relationship with our defense and aerospace customers after they go live on Atomus Aegis — keeping them secure, compliant, and successful. You will work in a pod alongside a Cybersecurity Engineer and report into our Customer Success and Engineering organization.

What You'll Do

• Serve as the primary point of contact and first line of support for a portfolio of customers' cybersecurity and compliance questions.

• Lead quarterly compliance reviews with customer leadership (owners, CISOs, IT directors) and drive documentation to sign-off.

• Guide customers through the NIST 800-171 and CMMC Level 2 lifecycle, translating technical controls into clear business outcomes.

• Partner with a Cybersecurity Engineer to co-own the management of customer accounts

• Own retention and surface customer feedback to our engineering and product teams to improve the Aegis platform.

• Travel to customer sites approximately once per month.

What You'll Bring

• 2–5 years of experience in customer success, account management, technical support, GRC, or a client-facing role at a B2B SaaS or technology company.

• Excellent written and verbal communication, with the ability to make complex technical and regulatory topics simple.

• Strong ownership, organization, and follow-through across multiple accounts and priorities.

• Comfort learning a technical, highly regulated product.

• Ability to work on-site in San Francisco full-time.

Preferred Qualifications

• Exposure to cybersecurity, GRC, compliance, or regulated industries (NIST 800-171, CMMC, DFARS, ITAR, or FedRAMP).

• Familiarity with Microsoft 365, Intune, Microsoft Defender, and IT ticketing systems.

• Experience supporting defense, aerospace, or government customers.