Infrastructure Engineer

Overview Our client is seeking a *Senior** Infrastructure Engineer* to support a large enterprise environment consisting of Microsoft technologies, virtualization platforms, networking infrastructure, cybersecurity tools, backup solutions, and collaboration platforms.
This organization manages a large, complex public-sector environment supporting multiple locations, business units, and end users. The role is responsible for maintaining highly available infrastructure, strengthening security posture, supporting enterprise operations, and driving automation and continuous improvement initiatives.
*Important:* Candidates must meet all minimum qualifications outlined below. A qualification verification form is required for every submission, and candidates who do not meet the minimum requirements cannot be considered.
Required Qualifications Experience
* 4+ years Systems and Network administration experience
Education
* Bachelor's degree in Computer Science, Information Systems, or a related field *OR*
* *Four (4) additional years of qualifying experience beyond the minimum experience requirement in lieu of a degree*
Technical Requirements Microsoft Infrastructure
* Windows Server Administration
* Active Directory
* Microsoft Entra ID
* Microsoft 365 / Office 365
* SharePoint Administration and Support
Networking *Core Protocols*

* DNS
* DHCP
* SMTP
*
* SFTP
*Networking Hardware*

* Cisco Meraki
* VPN Appliances
Security
* CrowdStrike or similar enterprise endpoint security platform
* Network Security
* VPNs
* ACLs
* IPSec
* SSL

* Cybersecurity and Privacy Best Practices
* Nessus
* Splunk
Collaboration Platforms
* Microsoft Teams Administration
* Zoom Administration
* SharePoint Support
* Website/Intranet Support
Automation
* PowerShell Scripting
* Process Automation
* Administrative Script Development
Virtualization & Cloud
* VMware
* Hyper-V
* Cloud Architecture Experience
Backup & Recovery
* Rubrik Backup and Recovery
Key Responsibilities
* Administer and support Windows Server, Active Directory, Entra ID, Microsoft 365, Teams, and SharePoint environments
* Support enterprise infrastructure across physical, virtual, and cloud-connected systems
* Manage VMware and Hyper-V environments
* Configure and support Cisco Meraki firewalls, switches, wireless infrastructure, and VPN connectivity
* Troubleshoot DNS, DHCP, routing, switching, and network connectivity issues
* Monitor infrastructure performance, availability, and security
* Administer security tools including CrowdStrike, Nessus, and Splunk
* Support vulnerability management and remediation efforts
* Manage enterprise backup and recovery operations using Rubrik
* Develop PowerShell scripts and automation solutions
* Perform root cause analysis and recommend long-term infrastructure improvements
* Create SOPs, technical documentation, and knowledge articles
* Provide Tier III support for escalated infrastructure, networking, and security issues
*Experience Level*
Expert Level
*Job Type & Location*This is a Contract position based out of Monterey Park, CA.
*Pay and Benefits*The pay range for this position is $80.00 - $95.00/hr.
Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.
Eligibility requirements apply to some benefits and may depend on your job
classification and length of employment. Benefits are subject to change and may be
subject to specific elections, plan, or program terms. If eligible, the benefits
available for this temporary role may include the following:

* Medical, dental & vision
* Critical Illness, Accident, and Hospital
* 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available
* Life Insurance (Voluntary Life & AD&D for the employee and dependents)
* Short and long-term disability
* Health Spending Account (HSA)
* Transportation benefits
* Employee Assistance Program
* Time Off/Leave (PTO, Vacation or Sick Leave)
*Workplace Type*This is a fully onsite position in Monterey Park,CA.
*Application Deadline*This position is anticipated to close on Aug 26, 2026.

About TEKsystems


We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services


We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

*San Francisco Fair Chance Ordinance:* Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

*Massachusetts Lie Detector:* It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

*Use of Artificial Intelligence (AI):* We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.