Cyber Systems Security Engineer with Security Clearance

Ennoble First Inc.; Arvada (CO); On-site; USD 125,000 - 190,000; Full time

Job summary

Ennoble First is seeking a Cyber Systems Security Engineer to support the COOLR program for key government clients, including Lockheed Martin and the U.S. Air Force. This role requires 100% on-site work and a strong RMF/security engineering background.

You will coordinate with ISSM/ISSO teams, prepare RMF artifacts, and ensure compliance across DoD policies while supporting continuous monitoring and security authorizations for classified information systems.

Qualifications

• Bachelor's degree in a related technical discipline.
• Active final DoD Secret clearance; active Top Secret preferred.

Responsibilities

• Ensure information systems meet RMF standards through direct coordination with ISSM and ISSO.
• Prepare, maintain, and submit RMF artifacts in support of prime contractor requirements and ISSM delivery schedules.
• Create and update system artifacts, including hardware and software baselines, PPSM records, and network diagrams.
• Apply STIGs, perform trusted downloads, and maintain RMF-based compliance under applicable DoD/DoW, DCSA DAAG, and classified Lockheed Martin policies.
• Support continuous monitoring using Qmulos, Splunk, DISA ACAS or Nessus, and Trellix Endpoint Security.
• Generate, update, and provide security authorization engineering artifacts for ongoing projects.
• Coordinate with Lockheed Martin cybersecurity engineers, mission systems engineers, and ISSM/ISSO teams to prioritize findings and recommend remediation.
• Support change management and maintain current asset inventories.
• Lead technical best-practice discussions, mentor peers, and coordinate with functional teams to resolve issues.
• Participate in Agile/Jira planning to establish cyber engineering scope, schedule, and completion.

Skills

Active clearance

Security+ certification

On-site work

9x80A schedule

Education

Bachelor's degree in a related technical discipline

Tools

RMF

ISSM

ISSO

STIGs

Qmulos

Splunk

DISA ACAS

Nessus

Trellix Endpoint Security

Agile/Jira

Job description

Cyber Systems Security Engineer Location: Sunnyvale, CA or Peterson Space Force Base, Colorado Springs, CO Required Clearance: Active final DoD Secret (active Top Secret preferred; future upgrade may be required) Employment Type: Full-Time Regular Shift: Day - 9x80A schedule Work Arrangement: 100% On-Site Travel: Not specified Relocation Assistance: Yes Company Overview We are Ennoble First. The people supporting and securing some of the most complex government, defense, and intelligence projects across the country. We ensure today is safe and tomorrow is smarter. Our work has meaning and impact on the world around us, but also on us, and that's important. Ennoble First is your place. You make it your own by embracing autonomy, seizing opportunity, and being trusted to deliver your best every day. We think. We act. We deliver. There is no challenge we can't turn into an opportunity. Position Overview Ennoble First is seeking a Cyber Systems Security Engineer to support the COOLR program for Lockheed Martin (prime contractor) and the U.S. Air Force. Provide cyber-systems security engineering for classified COOLR program information systems, supporting Lockheed Martin and the U.S. Air Force. The position is 100% onsite and follows a 9x80A schedule.

Primary Responsibilities

• Ensure information systems meet Risk Management Framework (RMF) standards through direct coordination with the designated Information Systems Security Manager (ISSM) and Information Systems Security Officer (ISSO).
• Prepare, maintain, and submit RMF artifacts in support of prime contractor requirements and ISSM delivery schedules.
• Create and update system artifacts, including hardware and software baselines, Ports, Protocols, and Services Management (PPSM) records, and network diagrams.
• Apply STIGs, perform trusted downloads, and maintain RMF-based compliance under applicable DoD/DoW, DCSA DAAG, and classified Lockheed Martin policies.
• Support continuous monitoring using Qmulos, Splunk, DISA ACAS or Nessus, and Trellix Endpoint Security.
• Generate, update, and provide security authorization engineering artifacts for ongoing projects.
• Coordinate with Lockheed Martin cybersecurity engineers, mission systems engineers, and ISSM/ISSO teams to prioritize findings and recommend engineering remediation.
• Support change management and maintain current asset inventories.
• Lead technical best-practice discussions, mentor peers, and coordinate with functional teams to resolve issues.
• Participate in Agile/Jira planning to establish cyber engineering scope, schedule, and completion.

Required Qualifications

• Bachelor's degree in a related technical discipline with relevant experience. Provisional screening guidance by labor category: Mid-level 4+ years, Senior 8+ years, Principal 12+ years; final degree and experience requirements pending prime confirmation.
• Active final DoD Secret clearance; active Top Secret preferred, with possible future Top Secret upgrade.
• Current Security+ certification or DoD 8140 Cybersecurity Workforce equivalent.
• Ability to work 100% onsite on a 9x80A schedule.
• Pay Range $125,000-$190,000 The Ennoble First 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.

Equal Employment Opportunity

Ennoble First is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to any characteristic protected by law. E-Verify Participation Ennoble First participates in E-Verify. Learn more at www.dhs.gov/E-Verify. E-Verify is a registered trademark of the U.S. Department of Homeland Security. Ennoble First is committed to providing a diverse and inclusive work environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. Ennoble First participates in E-Verify. The information below will be listed on our website's careers landing page. EEO is the Law | Pay Transparency Nondiscrimination www.dhs.gov/E-Verify E-Verify is a registered trademark of the U.S. Department of Homeland Security. This business uses E-Verify in its hiring practices to achieve a lawful workforce.