Top 25 Senior systems administrator Jobs in Poway, Ca

Senior IT Systems Administrator - Hybrid
BAE Systems Inc. —San Diego, CA
- $97,008 - $164,914 a year
- Full-time
- Hybrid work
- 5 years
- Analysis skills
- Bachelor's degree
- Health savings account
- Paid holidays
Senior Network Administrator
Kros-Wise —San Diego, CA
- $115,000 - $135,000 a year
- Full-time
- Azure
- Bachelor's degree
- Senior level
Quick Apply
Senior Principal System Administrator
BAE Systems Inc. —San Diego, CA
- $132,962 - $226,035 a year
- Weekends as needed
- Microsoft Excel
- Senior level
- Communication skills
- Health savings account
- Paid holidays
Sr. Systems Administrator
Watkins Wellness —Vista, CA
- $72,500 - $113,740 a year
- Full-time
- Customer service
- 5 years
- Continuous improvement
- Profit sharing
- Health insurance
Senior IT Systems Administrator
Seasats —San Diego, CA
- $115,000 - $155,000 a year
- Full-time
- Google Workspace
- Office
- US work authorization
- Paid time off
- 401(k) matching
Quick Apply
Senior Systems Administrator (R5443)
SHIELD AI —San Diego, CA
- $98,000 - $140,000 a year
- Full-time
- Computer science
- Computer Science
- 5 years
Sr. System Administrator
Concept Plus —La Jolla, CA
- Full-time
- Office
- Mentoring
- Senior level
- Paid holidays
- Dental insurance
Quick Apply
Sr. Systems Administrator
Koam Engineering Systems —San Diego, CA
- $110,000 - $130,000 a year
- Computer Science
- 5 years
- Windows
Quick Apply
7d
Senior Systems Administrator, Network
Murata America —San Diego, CA
- $125,543.71 - $163,215.86 a year
- 6 years
- Ability to walk for extended periods
- System design
Network and Computer Systems Administrator - Junior to Senior - Secret Cleared
Perrygo Consulting Group, LLC —San Diego, CA
- Contract
- Mid-level
- 3 years
- Bachelor's degree
- Profit sharing
- Health savings account
Quick Apply
System Administrator (Linux/Solaris) Mid and Senior
Joint Tactics and Technologies —San Diego, CA
- Full-time
- Computer Science
- Military
- System design
- Health insurance
- Dental insurance
Sr Systems Engineer - Azure
Axos Bank —San Diego, CA
- $120,000 - $150,000 a year
- Full-time
- Background check
- Computer Science
- Pass drug screening
- Health savings account
- Health insurance
Senior IT Support Specialist
The DeWitt Companies —San Diego, CA
- $32 - $36 an hour
- Urgently hiring
- Azure
- Mid-level
- 3 years
- Paid holidays
- Health insurance
Quick Apply
Senior Software Engineer Expeditionary Systems (OpAI)
The Marlin Alliance —San Diego, CA
- $155,000 - $175,000 a year
- Full-time
- Analysis skills
- Travel
- Experience equivalent to degree accepted
7d
Linux Administrator (IT Senior Engineer)
Qualcomm —San Diego, CA
- $45.77 - $68.65 an hour
- Full-time
- 5 years
- Mid-level
- Bachelor's degree
Sr. Banner Programmer/Analyst
San Diego State University Research Foundation —San Diego, CA
- $7,371.00 - $10,813.70 a month
- Full-time
- Hybrid work
- Background check
- Computer science
- Computer Science
- 403(b) matching
- Paid holidays
Sr. Systems Engineer - Linux
Axos Bank —San Diego, CA
- $120,000 - $145,000 a year
- Full-time
- Background check
- 5 years
- Pass drug screening
- Health savings account
- Health insurance
Senior Cloud & Systems Engineer, Professional Services
Agile IT —San Diego, CA
- $130,000 - $165,000 a year
- Weekends as needed
- 5 years
- System design
- Windows
Quick Apply
4d
Senior System Engineer
Lyntris —San Diego, CA
- $140,000 - $177,442 a year
- Full-time
- Microsoft Excel
- Microsoft Outlook
- Computer Science
- Health savings account
- Paid holidays
Senior Software Engineer Expeditionary Systems (OpAI)
SAIC —San Diego, CA
- $160,001 - $200,000 a year
- Full-time
- Computer Science
- System design
- Analysis skills
12d

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Senior IT Systems Administrator - Hybrid

BAE Systems Inc. -
San Diego, CA

Apply Now

Job Details

Full-time
$97,008 - $164,914 a year

Benefits

Health savings account
Paid holidays
Disability insurance
Dental insurance
401(k)
Paid time off
Paid military leave
Parental leave
Employee assistance program
Vision insurance
Pet insurance

Qualifications

Linux support
GPO
Technical documentation
Virtualization projects
DHCP
DNS
Technical writing experience within technology

Full Job Description

Job Description

We put our customers first – exemplified by our missions: “We Protect Those Who Protect Us®” and “We
Innovate for Those Who Move the World.” Sound like a team you want to be a part of? vCome build your
career with BAE Systems.

We are seeking an experienced Systems Administrator to implement, maintain, and support our enterprise IT infrastructure consisting of Windows and Linux systems. The ideal candidate will have strong experience managing servers, identity services, virtualization platforms, endpoint systems, and security controls while demonstrating the ability to troubleshoot complex technical issues and improve operational efficiency.
The Systems Administrator will play a key role in ensuring system availability, performance, security, and reliability while collaborating with IT teams, business stakeholders, and vendors to deliver effective technology solutions.

Responsibilities
Systems Administration

Administer and maintain Windows Server and Linux server environments.
Manage Active Directory, Group Policy, DNS, DHCP, file services, and authentication services.
Perform server installation, configuration, upgrades, migrations, and lifecycle management.
Monitor system health, performance, capacity, and availability.
Troubleshoot complex operating system, application, and infrastructure issues.
Maintain enterprise workstations, servers, and endpoint management solutions.

Virtualization & Infrastructure

Manage VMware vSphere, Horizon, or other virtualization platforms.
Deploy and maintain virtual machines, templates, snapshots, and resource allocation.
Support storage, backup, and disaster recovery solutions.
Perform system recovery testing and validate backup integrity.

Cloud & Enterprise Applications

Support Microsoft Entra ID (Azure AD), identity synchronization, and cloud-based authentication.
Assist with hybrid infrastructure and cloud migration initiatives.

Automation & Process Improvement

Develop and maintain PowerShell, Bash, or Python scripts to automate administrative tasks.
Improve operational efficiency through automation, documentation, and standardization.
Create and maintain technical documentation, procedures, and knowledge articles.

Security & Compliance

Implement security best practices across servers, endpoints, and applications.
Apply operating system patches, security updates, and vulnerability remediation.
Manage endpoint security tools, encryption technologies, and access controls.
Support audits, compliance requirements, and cybersecurity initiatives.

Support & Collaboration

Provide Tier 1 & 2 escalation support for complex technical issues.
Collaborate with network, security, and application teams.
Participate in after-hours maintenance activities and incident response when required.

Required Education, Experience, & Skills

US Citizenship and ability to obtain a US government secret clearance
CompTIA Security+ or equivalent DoD 8570 IAT Level II certification or ability to obtain within 6 months for hire
5-7 years of experience (4+ years of experience with a degree) as a system administrator.
Strong experience supporting enterprise Windows Server environments.
Advanced knowledge of Active Directory, Group Policy, DNS, DHCP, and Windows troubleshooting.
Experience with virtualization technologies such as VMware or Horizon.
Strong troubleshooting, analytical, and documentation skills.

Preferred Education, Experience, & Skills

Active U.S. Secret Security Clearance.
Bachelor’s degree in related field
Experience administering Linux distributions such as Red Hat Enterprise Linux, Rocky Linux, Ubuntu, or similar platforms.
Experience with vulnerability management platforms.
Experience supporting regulated or highly available environments.

Pay Information
Full-Time Salary Range: $97008 - $164914

Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.

Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics.

About BAE Systems Electronic Systems
BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it’s what we do at BAE Systems. Working here means using your passion and ingenuity where it counts – defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team—making a big impact on a global scale. At BAE Systems, you’ll find a rewarding career that truly makes a difference. Electronic Systems (ES) is the global innovator behind BAE Systems’ game-changing defense and commercial electronics. Exploiting every electron, we push the limits of what is possible, giving our customers the edge and our employees opportunities to change the world. Our products and capabilities can be found everywhere – from the depths of the ocean to the far reaches of space. At our core are more than 14,000 highly talented Electronic Systems employees with the brightest minds in the industry, we make an impact – for our customers and the communities we serve.

This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.

Apply Now

Refine Your Search

senior systems administrator jobs in poway, ca

Senior IT Systems Administrator - Hybrid

Senior Network Administrator

Senior Principal System Administrator

Sr. Systems Administrator

Senior IT Systems Administrator

Senior Systems Administrator (R5443)

Sr. System Administrator

Sr. Systems Administrator

Senior Systems Administrator, Network

Network and Computer Systems Administrator - Junior to Senior - Secret Cleared

System Administrator (Linux/Solaris) Mid and Senior

Sr Systems Engineer - Azure

Senior IT Support Specialist

Senior Software Engineer Expeditionary Systems (OpAI)

Linux Administrator (IT Senior Engineer)

Sr. Banner Programmer/Analyst

Sr. Systems Engineer - Linux

Senior Cloud & Systems Engineer, Professional Services

Senior System Engineer

Senior Software Engineer Expeditionary Systems (OpAI)

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