Six Figure Work

Senior Cyber Security Engineer

Cubic

Company websitecubic.com (Cubic, opens in new tab)

Base salary $128K  to $153K

Employer-published annual base salary, USD. Advertised base range USA Home MO

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  • LocationUSA Home MO
  • WorkplaceWorkplace not stated
  • Status at last checkSource accepting applications when checked
  • Last checked (1 h ago) · observed since

About this job

Business Unit:

Cubic Defense

Company Details:

When you join Cubic, you become part of a company that creates and delivers technology solutions in transportation to make people’s lives easier by simplifying their daily journeys, and defense capabilities to help promote mission success and safety for those who serve their nation. Led by our talented teams around the world, Cubic is committed to solving global issues through innovation and service to our customers and partners.

We have a top-tier portfolio of businesses, including Cubic Transportation Systems (CTS) and Cubic Defense (CD). Explore more on Cubic.com.

Job Details:

Position Overview

Cubic Digital Intelligence is seeking a Senior Cybersecurity Engineer to support the security engineering and authorization of a mission-focused system for a U.S. Government customer. The successful candidate will lead cybersecurity compliance activities and work closely with customer security personnel, system engineers, and program leadership to help obtain and maintain an Authority to Operate (ATO).


Responsibilities

  • Lead cybersecurity engineering and Risk Management Framework activities supporting system authorization.
  • Develop, review, and maintain security plans, control implementations, risk assessments, and authorization artifacts.
  • Coordinate with customer authorizing officials, security representatives, system owners, and engineering teams.
  • Assess system designs and configurations against applicable government security requirements.
  • Guide the implementation and documentation of technical, operational, and management security controls.
  • Perform security-control assessments, vulnerability reviews, compliance checks, and risk analysis.
  • Track findings, plans of action and milestones, dependencies, and remediation activities through closure.
  • Support system hardening, secure configuration, access control, auditing, logging, and continuous monitoring.
  • Evaluate proposed system changes for cybersecurity and authorization impacts.
  • Prepare for and participate in security reviews, assessments, test events, and authorization meetings.
  • Translate cybersecurity requirements into actionable engineering tasks.
  • Communicate security risks, status, and recommendations to technical and program leadership.
  • Support ongoing compliance and maintenance of the authorization baseline after ATO approval.

Required Qualifications

  • Bachelor’s degree in cybersecurity, information systems, computer science, engineering, or a related field.
  • At least 8 years of relevant cybersecurity, information-assurance, or security-engineering experience.
  • Demonstrated experience supporting ATO packages and the federal Risk Management Framework.
  • Knowledge of security controls, assessment procedures, vulnerability management, and continuous monitoring.
  • Experience developing security documentation and maintaining authorization evidence.
  • Working knowledge of NIST SP 800-53 controls, RMF, eMASS, STIGs/SRGs, vulnerability management, continuous monitoring, and POA&M management.
  • Experience securing cloud, hybrid, containerized, Kubernetes, or tactical-edge environments.
  • Strong analytical, organizational, written, and verbal communication skills.
  • Ability to work independently at a customer site while collaborating with a distributed project team.
  • Active TOP Secret security clearance with ability to obtain SCI.
  • DoD 8570/8140-compliant certification appropriate to the position.

Preferred Qualifications

  • Master’s degree in cybersecurity or a related technical discipline.
  • Experience supporting defense, Intelligence Community, or other classified federal programs.
  • Experience securing containerized, cloud-based, or distributed enterprise systems.
  • Familiarity with government security policies, security technical implementation guidance, and automated compliance tools.
  • Experience coordinating with Security Control Assessors or Authorizing Officials.
  • CISSP, CAP/CGRC, CASP+, or another relevant advanced cybersecurity certification.

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Cubic Pay Range:

$128,000.00 - $153,000.00 + benefits.

‎ 

The Cubic pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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#LI-MA1

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Worker Type:

Employee

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We are committed to creating an inclusive workplace and welcome applications from people of all backgrounds. We do not discriminate based on any protected characteristic under applicable law.

Source: Cubic on Workday · View original posting (opens in new tab)

Pay in context

This role's base floor ($128,000) is above 26% of the 1,829 IT & Security roles nationwide listed on this site; 6 others list the same floor. Their median floor is $151,500; the middle half runs from $125,600 to $181,000.

Only jobs on this site count, and each one publishes a base salary of $100,000 or more, so this compares six-figure jobs with each other, not with the whole market. Computed Nov 7, 2026.

This range next to 6 other live Cubic roles with the nearest advertised base floor
Chart as a table
This range next to 6 other live Cubic roles with the nearest advertised base floor
RolePublished base
Senior Cyber Security Engineer (this listing)$128K - $153K
Senior Mechanical Engineer$127K - $147K
Program Manager$127K - $167K
Senior Program Manager$130K - $160K
Full Stack Software Engineer (Go / JavaScript / Python)$131K - $170K
Subcontracts Manager$125K - $139K
Systems Engineer / FSR$123K - $156K

Same $100K to $400K scale as every card. All Cubic roles · How to read the bar

Observed changes

  1. First observed on the employer's board
  2. Began meeting the published-salary criteria
Observed since
Employer-stated posting date
2026-11-02
Where this pay comes from

Location as the employer wrote it: USA Saint Louis MO (Customer Site)

$128,000.00 - $153,000.00 + benefits.

Method
Employer text, read with fixed rules and re-verified
Checked
Rule set
us-base-v2

The pay passage appears in the employer's own job text. Fixed, deterministic rules located it, and the passage below was checked against the stored copy of the posting.

What we verified

  • The pay figures come from the employer's own listing, quoted exactly above.
  • The pay is an annual base salary in US dollars with a minimum of at least $100,000.
  • The role was publicly listed on the employer's job board when last checked.

We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.