Mid Cybersecurity Engineer

Amentum

. Support the Missile Defense Agency on the Integrated Research and Development for Enterprise Solutions (IRES) contract .

Posted 10/1/2026full-timeUnited StatesJuniorMid-Level💰 $120,000 - $130,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in cybersecurity practices, including vulnerability assessment, incident response, and compliance with DoD regulations. Proficient in using tools such as ACAS and HBSS to enhance network security and analyze threats.

Highest-signal resume keywords

Cybersecurity ExperienceVulnerability AssessmentDoD 8570 IAT Level II CertificationTenable ACAS SolutionsIncident Response

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Vulnerability ScanningCyber Task Order AnalysisNetwork Security AssessmentSecurity Compliance ScansLog Data AnalysisHost-Based SecurityThreat AnalysisConfiguration ManagementSecurity Solutions in WAN/LANDocumentation Development

Soft Skills

MultitaskingProject PrioritizationDynamic Work Environment Adaptability

Tools & Technologies

ACASNessusHBSSMcAfee ePolicy OrchestratorFirewallsIDS/IPSNetwork Security ManagerBluecoatBarracudaMS Office Applications

Certifications & Qualifications

DoD 8570 IAT Level II CertificationSecurity+CISSP

Industry Keywords

Missile Defense AgencyCyber Task OrdersIAVM ComplianceDefensive Cyber OperationsSOC/Security Operations CenterDoD RegulationsIncident Response ProceduresTier III LCC ProceduresHost-Based Intrusion ProtectionData Loss Prevention

Tech Stack

Tools & technologies

Cyber SecurityFirewallsLinux

About the role

Key responsibilities & impact

Support the Missile Defense Agency on the Integrated Research and Development for Enterprise Solutions (IRES) contract
Perform proactive and reactive cybersecurity duties on customer networks to improve enterprise-wide security posture
Analyze and process Cyber Task Orders to track, report, and brief on IAVM compliance, device confiscations, research and investigation, website blocks, and compliance-related projects
Perform and analyze vulnerability scans using ACAS/Nessus without affecting network operations
Perform network security threat and impact assessments and prepare assessment reports
Use Defensive Cyber Operations tools to analyze and correlate events, vulnerabilities, and STIGs across network security devices and mission-critical infrastructure
Analyze and interpret log data within tools such as ACAS and HBSS/ESS
Analyze vulnerabilities against known exploits and disseminate guidance to improve network defensive posture
Support development, establishment, review, and updating of Tier III LCC procedures, processes, manuals, and documentation
Assist with enterprise host-based security using HBSS, including antimalware, host-based intrusion protection, data loss prevention, and rogue system detection
Support enterprise incident response in accordance with DoD regulations and instructions
Generate vulnerability assessment reports and escalate them for further review
Create, update, and manage queries and dashboards for HBSS, ACAS, and related security tools
Support review and updating of CND procedures, processes, manuals, and documentation

Requirements

What you’ll need

2 or more years of general (full-time) work experience; may be reduced with completion of advanced education
6 or more months of directly related cyber or systems engineering experience
1 year of managerial experience
Current DoD 8570 IAT Level II certification (e.g., Security+, CISSP, etc.)
Must have, or obtain, an active DoW Secret Security Clearance
Experience with most MS Office applications (Word, Excel, PowerPoint, and Visio)
Ability to multitask and prioritize projects and assignments in a dynamic work environment
Willingness to travel up to 10% of the time
Ability to support periodic on-call requirements
Experience operating Tenable ACAS solutions
Experience operating McAfee ePolicy Orchestrator
Associate's or bachelor’s degree in Cybersecurity, Computer Science or related field (desired)
Experience with security analysis and solutions in WAN/LAN environments, including routers, switches, network devices, and Windows/Linux operating systems (desired)
Experience with SOC/DCO tools and applications such as firewalls, IDS/IPS, Network Security Manager, Bluecoat, and Barracuda (desired)
Experience performing security compliance scans across a WAN; ACAS/Nessus preferred (desired)
Background in configuration, troubleshooting, and deployment of host-based security/HBSS (desired)
Relevant computing environment certifications such as HBSS/ESS, ACAS, Windows, or Linux (desired)
Familiarity with Security Operations Centers/SOC and DoD (desired)
Active DoD Top Secret clearance (desired)
Resume submitted in month and year format

Benefits

Comp & perks

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