Senior Systems Engineer – Engineer Systems 5

Mission Technologies, a division of HII

. Perform system imaging, configuration, and baseline creation for new IT systems, including applying required security settings .

Posted 10/28/2026full-timePort Hueneme • California • United StatesSenior💰 $135,954 - $185,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in system imaging, configuration, and hardening in compliance with DoD STIGs, along with strong capabilities in troubleshooting and vulnerability remediation. Proficient in managing Windows operating systems and supporting cybersecurity processes within embedded IT teams.

Highest-signal resume keywords

System ImagingCybersecurity ComplianceWindows Operating Systems ManagementVulnerability RemediationDoD STIGs

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

System HardeningPatch ManagementNetwork TroubleshootingGPO ManagementWindows Server AdministrationVulnerability ScanningAccount ProvisioningConfiguration DocumentationOperating Systems ConfigurationSecurity Settings Application

Soft Skills

Strong Communication SkillsTeam CollaborationIndependent Work Ability

Tools & Technologies

ACASTenableQualys

Certifications & Qualifications

Active Secret Clearance

Industry Keywords

DoD IT SystemsCybersecurity RequirementsSystem Inventory ManagementIdentity/Access ManagementSecure Protocols

Tech Stack

Tools & technologies

Cyber Security

About the role

Key responsibilities & impact

Perform system imaging, configuration, and baseline creation for new IT systems, including applying required security settings
Conduct system hardening in accordance with DoD STIGs and other cybersecurity requirements
Support integration of systems onto local networks, including account provisioning, GPO application, and connectivity validation
Troubleshoot and resolve technical issues related to workstation and server configuration, operating systems, and network access
Coordinate with customer IT/IA staff to implement cybersecurity and IT processes
Serve as a connector between local government teams and HII technical personnel to synchronize with WD/Mugu operations
Support patch management, including applying updates, monitoring compliance, and assisting with vulnerability remediation
Document configurations, maintain system inventory, and adhere to local IT processes and workflows
Utilize vulnerability scanning tools and apply findings as part of system hardening efforts
Provide onsite technical support as part of the customer’s embedded IT team

Requirements

What you’ll need

15 years relevant experience with Bachelor's degree in related field; or 13 years relevant experience with Master's degree in related field; or 10 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 19 years relevant experience
Active Secret clearance or ability to obtain and maintain one
Working knowledge of Windows operating systems, workstation and server management
Working knowledge of security hardening standards, such as STIGs
Working knowledge of system patching and vulnerability remediation
Working knowledge of basic networking concepts and troubleshooting
Ability to work independently and as part of an embedded team
Strong written and verbal communication skills
Experience with DoD IT systems or range environments preferred
Familiarity with vulnerability scanning tools such as ACAS, Tenable, or Qualys preferred
Experience with Windows Server administration, GPO management, or RedHat environments preferred
Knowledge of secure protocols and identity/access management fundamentals preferred
Capable of climbing ladders and tolerating confined spaces and extreme temperature variances
Lifting and moving materials may be required

Benefits

Comp & perks

Best-in-class medical, dental and vision plan choices
Wellness resources
Employee assistance programs
Savings Plan Options (401(k))
Financial planning tools
Life insurance
Employee discounts
Paid holidays
Paid time off
Tuition reimbursement
Early childhood and post-secondary education scholarships
Bonus/other non-recurrent compensation may occasionally be offered for qualified positions
Educational and training programs for continual career growth