Senior System Engineer

Job Description

Senior Systems Engineer - San Diego, CA (On-Site) - $180,000-$200,000

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Are you a senior systems engineering expert with deep experience in Windows enterprise environments, automation, and secure DoD infrastructure?

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This is an opportunity to join a fast-growing defense technology company supporting mission-critical programs that directly impact the U.S. Navy and national security. You'll play a key role in architecting and maintaining secure enterprise systems while driving automation and modernization efforts across classified on-premises and cloud environments.

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Who you are:

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• 12+ years of experience designing, implementing, and supporting enterprise Windows environments, including Active Directory, DNS, DHCP, and Group Policy.
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• Expert-level knowledge of Windows Server 2019/2022, RBAC, PKI, Kerberos, RADIUS, SCCM/MECM, WSUS, and infrastructure automation using PowerShell, Ansible, and Python.
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• Strong understanding of DoD cybersecurity requirements including STIGs, CIS Benchmarks, Zero Trust principles, and Infrastructure-as-Code methodologies.
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• Active DoD Top Secret clearance and U.S. citizenship required.
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What you’ll do:

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• Architect, deploy, and maintain secure Windows Server environments across multi-site, multi-domain enterprise infrastructures.
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• Lead Active Directory, identity management, certificate services, authentication, patch management, and system hardening initiatives in compliance with DoD security standards.
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• Develop and maintain automation solutions using PowerShell, Python, Ansible, and Node.js to streamline provisioning, deployment, configuration management, and operational support.
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• Collaborate with software, cybersecurity, Linux, and network engineering teams to support complex systems integration, virtualization, cloud infrastructure, and mission-critical deployments.
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Why work here:

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• Join a fast-growing defense technology company supporting mission-critical programs that directly impact the U.S. Navy and national security.
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• Work alongside experienced engineers, military professionals, and government leaders on high-visibility TACNET and next-generation Navy modernization programs.
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• Be part of a collaborative, engineering-driven culture where your ideas matter, your work has a direct impact, and you'll have the opportunity to grow your career on meaningful defense initiatives.
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• Comprehensive medical, dental, and vision coverage; 401(k) with company matching; generous paid time off, paid parental leave, and professional development assistance.
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What does this position pay?

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Compensation is determined by several factors which may include skillset, experience level, and education.

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The expected range for this role is $180,000-$200,000 per year . Please note this range is an estimate and actual pay may vary based on qualifications and experience.

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What’s next?

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Please email your resume to View email address on ziprecruiter.com if you’re excited to explore this opportunity with our client.

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We actively support and promote people of various backgrounds, from race, religion, gender to geographical area, university, lifestyle, and personality type. Proven Recruiting is minority-owned, majority women, and is a strong advocate for diversity and inclusion in the broader community. Apply today!