Senior Systems Administrator - Information Systems

Pacific Aerospace Consulting; San Diego (CA); On-site; USD 95,000 - 115,000; Full time

Benefits offered by this job

Life Insurance

401(k) plan with employer matching

Employee Assistance Program

Paid vacation leave

Job summary

A leading aerospace firm in San Diego is seeking a Senior Systems Administrator to maintain and secure their information technology infrastructure. The ideal candidate will have over 5 years of experience in information systems, including strong knowledge of Microsoft environments and cybersecurity controls. This full-time position offers a competitive salary range of $95,000 – $115,000 and additional benefits such as life insurance, a 401(k) plan, and paid leave.

Qualifications

• 5+ years of professional experience in information systems.
• At least 3 years in system administration or enterprise IT operations.
• Advanced knowledge of security controls in compliance frameworks.

Responsibilities

• Maintain, secure, and improve IT infrastructure.
• Deliver onsite and remote technical support.
• Support endpoint protection and compliance tools.

Skills

Technology security controls

Microsoft Windows Server

Active Directory

Microsoft administration

Identity management

Education

Bachelor’s degree in Information and Communications Technology or related field

Tools

Microsoft 365 applications

Hyper‑V

Intune

Job description

Senior Systems Administrator - Information Systems

PAC is an innovative, privately-owned company delivering high-impact operational capability to our Defense and commercial partners. Our trusted team of engineers, operational experts and technical specialists share a passion for the capabilities we support – always ready to go the extra mile to ensure mission success. We look for people who value integrity, flexibility, and professionalism – these values set the standard for everything we do.

Our culture allows us a unique opportunity to make – and see – an impact. We enable autonomy, value professional curiosity and decisiveness, and – above all – cultivate collaboration. Our dream candidate doesn’t just ‘fit’ our culture – they add something unique and enhance it.

About the role

Our team is accepting applications from highly skilled and motivated individuals for a dynamic role responsible for maintaining, securing, and improving PAC’s information technology infrastructure in alignment with corporate cybersecurity and compliance objectives. The position provides advanced technical support, systems administration, and operational execution under the direction of the Information Technology & Cybersecurity Program Lead. This includes ensuring reliable system performance, user lifecycle management, and assisting with the implementation of security controls that support PAC’s regulated operations and contractual requirements.

Assignments will vary, but will generally include the following responsibilities:

• Deliver onsite and remote technical support for PAC staff, including troubleshooting, documentation, and trend analysis.
• Support and configure Microsoft 365 applications (Exchange Online, SharePoint, Teams) and document management systems.
• Maintain standardized processes for workstation deployment, onboarding/offboarding, and device lifecycle management.
• Execute systems administration tasks across enterprise applications, cloud services, and network infrastructure.
• Support endpoint protection, mobile device management, and compliance monitoring tools.
• Assist with infrastructure modernization, including migration of legacy systems to secure cloud platforms.
• Contribute to cybersecurity initiatives, including security policy implementation, access control management, and alignment with NIST 800-series standards.
• Support document management, data security procedures, and proposal/project documentation needs.
• Demonstrate professionalism and clear communication while working with internal teams and external partners.
• Perform other IT duties as required; role involves periods of sitting or standing at a computer workstation.

Minimum Qualifications:

• Bachelor’s degree in Information and Communications Technology or related field. Equivalent professional experience may be accepted in lieu of formal education.
• Minimum five (5) years of professional experience in info systems, including at least three (3) years in system administration or enterprise IT operations.
• Demonstrated application of technology security controls within a recognized cybersecurity or compliance framework (e.g. NIST SP 800-171, ISO 27001).
• Advanced knowledge of Microsoft Windows Server and desktop environments (2016 or later), including Active Directory, Group Policy, Hyper‑V, and Intune.
• Proficiency in Microsoft administration, identity management, and support of hybrid or remote users.
• Demonstrated ability to develop and maintain standardized IT procedures and documentation that support operational reliability and compliance verification.
• Export compliance and the ability to maintain a minimum-security clearance. Must be willing to undergo background check.

We recognize the value of your unique skills and will provide you with a flexible working environment, ongoing training and development opportunities and a competitive salary. Additional benefits include:

• Life Insurance
• 401(k) plan with employer matching
• Employee Assistance Program and Employee Discounts
• Paid vacation leave, sick leave and public holidays.

International Traffic in Arms Regulations (ITAR) are applicable and as such, your nationality may be a factor in determining your suitability for this role. US citizenship is required.

Unsolicited applications from agencies will not be considered.

Integrity is one of PAC’s core values and as such, we are committed to a culture of diversity and inclusion. PAC is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.

Level of effort: Full-time

Salary range: $95,000 – $115,000

Start date: January 6, 2026

Education: Bachelor’s degree in Information & Communication Technology

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