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Salary
$120k – $130k per year
Location
In office (Colorado Springs, United States)
Seniority
Junior · 1+ year exp
Visa
H-1B filings in 12 months: 2
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 15, 2026. First seen by Alion on Oct 1, 2026.

Overview
Company
Impact
Profile match
Amentum is a US government and critical infrastructure services contractor headquartered in Chantilly, Virginia, providing engineering, technical, mission support and operations services in defense, intelligence, space, energy and environment markets. It has about 50,000 employees in more than 70 countries, is listed on the New York Stock Exchange, and absorbed PAE in 2022 before combining with the Jacobs critical mission solutions business in 2024. Openings include aerospace, GN&C and reliability engineers, aircraft workers, database administrators, software engineers, biometric enrollment specialists and paralegals.

Position Title: Mid Cybersecurity Engineer

Location: Schriever Space Force Base, Colorado Springs, CO or Redstone Arsenal, Huntsville, AL

Relocation Assistance: None available at this time

Remote/Telework: NO - Not available for this position

Clearance Type: DoW Secret

Shift: Day shift

Travel Required: Up to 10% of the time

Description of Duties:

The Mid Cybersecurity Engineer supports the Missile Defense Agency (MDA) on the Integrated Research and Development for Enterprise Solutions (IRES) contract. The candidate will:

· Perform cybersecurity duties on customer networks (proactively and reactively) to improve enterprise-wide security posture.

· Analyze and process Cyber Task Orders (CTOs) to track, report, and brief on tasks including, but not limited to: IAVM compliance, device confiscations, research and investigation, website blocks, and/or projects related to compliance, etc.

· Perform and analyze vulnerability scans without affecting network operations utilizing Assured Compliance Assessment Solution (ACAS/Nessus) scanning tool.

· Perform network security threat/impact assessments and prepare assessment reports.

· Utilize available Defensive Cyber Operations (DCO) tools to analyze and correlate events, vulnerabilities, and STIGs from network security devices and mission critical infrastructure (e.g., network and host-based security systems, firewalls, routers, switches, servers, workstations, etc.) for indicators of compromise, attack vectors, and known attack patterns. Analyze and interpret log data within various tools (e.g., ACAS, HBSS/ESS, etc.).

· Analyze vulnerabilities against known exploits in enterprise cyber-threat environment and disseminate guidance to improve network defensive posture.

· Support the development, establishment, review and update of Tier III LCC procedures, processes, manuals, and other documentation.

· Assist with host-based security across the enterprise utilizing DoD Host based Security System (HBSS), to include antimalware, host-based intrusion protection system, data loss prevention, and rogue system detection.

· Support Incident Response across the enterprise IAW DoD regulations and instructions.

· Generate vulnerability assessment reports for customers and escalate for further review.

· Create, update, and manage queries and dashboards pertaining to HBSS, ACAS, and related security tools.

· Support the review and update of CND procedures, processes, manuals, and other documentation.

The successful candidate will:

· Have experience with most MS Office applications (Word, Excel, PowerPoint, and Visio).

· Be able to multi-task and prioritize various projects and assignments in a dynamic work environment to meet scheduled/unscheduled customer requests.

· Be willing to travel up to 10% of the time.

· Maintain the ability to support periodic on call requirements

· Have experience operating Tenable ACAS solutions

· Have experience operating McAfee ePolicy Orchestrator

Resumes, in month and year format, must be submitted with application in order to be considered for the position. The selected candidate may be assigned as an employee for one of our teammate companies.

Basic Requirements:

· Must have 2, or more, years of general (full-time) work experience

o May be reduced with completion of advanced education

· Must have 6, or more, months of directly related cyber or systems engineering experience

· Must have 1 year of managerial experience.

· Must have a current DoD 8570 IAT Level II certification (e.g., Security+, CISSP, etc.)

· Must have, or obtain, an active DoW Secret Security Clearance

Desired Requirements:

· Have an Associate's or bachelor’s degree in Cybersecurity, Computer Science or related field

· Have experience with security analysis and solutions in a WAN/LAN environment to include Routers, Switches, Network Devices, and Operating Systems (e.g., Windows, and Linux)

· Have experience with other Security Operations Centers (SOC)/DCO tools/applications, such as Firewalls, Intrusion Detection Systems / Intrusion Prevention Systems, Network Security Manager, Bluecoat, Barracuda, etc.

· Have experience performing security compliance scans across a WAN (ACAS/Nessus preferred)

· Have a background in configuration, troubleshooting, and deployment of host-based security (HBSS preferred)

· Have relevant computing environment certifications (HBSS/ESS, ACAS, Windows, Linux, etc.)

· Be familiar with Security Operations Centers (SOC)/DoD

· Have an active DoD Top Secret clearance

This position will be posted for a minimum of 3 days. If a candidate has not been selected at that time, it will continue to be posted until a suitable candidate is selected or the position is closed.

Compensation Details:

$120,000 - $130,000

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

  • Health, dental, and vision insurance

  • Paid time off and holidays

  • Retirement benefits (including 401(k) matching)

  • Educational reimbursement

  • Parental leave

  • Employee stock purchase plan

  • Tax-saving options

  • Disability and life insurance

  • Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting:

10/01/2026 - 10/14/2026

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.

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