Infrastructure Engineer

Senior Infrastructure Engineer

Overview

We are seeking a Senior Infrastructure Engineer with strong experience supporting enterprise-level Microsoft environments, networking infrastructure, virtualization platforms, cybersecurity tools, and automation solutions.
The ideal candidate will have hands-on experience managing and supporting complex IT environments, ensuring system availability, security, performance, and scalability.

Required Qualifications

Experience

• Minimum 7 years of Systems Administration and Network Administration experience.

Education

• Bachelor's Degree in Computer Science, Information Technology, or a related field

OR

• Four additional years of relevant experience may be substituted for the degree requirement.

Technical Requirements

Microsoft Infrastructure

Required experience with:

• Windows Server Administration
• Active Directory (AD)
• Microsoft Entra ID (Azure AD)
• Microsoft 365 / Office 365
• SharePoint Administration and Support
• Microsoft Teams Administration

Networking

Core Networking Protocols

• DNS
• DHCP
• SMTP
• HTTP / HTTPS
• SFTP

Network Infrastructure

• Cisco Meraki
• VPN Appliances
• Wireless Networks
• Firewalls
• Routing and Switching

Virtualization & Cloud

Experience with:

• VMware
• Hyper-V
• Cloud Architecture
• Virtual Infrastructure Management

Cybersecurity

Experience with:

• CrowdStrike or similar Endpoint Security Platforms
• Nessus
• Splunk
• VPN Security
• Access Control Lists (ACLs)
• IPSec
• SSL
• Vulnerability Management
• Security Remediation
• Cybersecurity Best Practices

Backup & Recovery

• Rubrik Backup and Recovery

Automation & Scripting

• PowerShell Scripting
• Process Automation
• Administrative Automation Solutions

Key Responsibilities

Infrastructure Administration

• Manage and maintain Windows Server environments.
• Administer Active Directory, Entra ID, Microsoft 365, Teams, and SharePoint.
• Support physical, virtual, and cloud-connected infrastructure.

Virtualization Management

• Manage VMware and Hyper-V environments.
• Monitor virtualization performance and availability.

Networking Support

• Configure and support Cisco Meraki infrastructure.
• Maintain firewalls, VPN connectivity, switches, and wireless networks.
• Troubleshoot DNS, DHCP, routing, switching, and connectivity issues.

Security Operations

• Administer CrowdStrike, Nessus, Splunk, and related security tools.
• Support vulnerability assessments and remediation efforts.
• Monitor infrastructure security and compliance.

Backup & Disaster Recovery

• Manage enterprise backup and recovery processes using Rubrik.

Automation & Documentation

• Develop PowerShell scripts and automation solutions.
• Create SOPs, technical documentation, and knowledge base articles.
• Perform root cause analysis and recommend infrastructure improvements.

Support

• Provide Tier III support for escalated infrastructure, networking, and security issues.

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 25, 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.