Senior Infrastructure Engineer

Nessus VCloud Hyper-V Firewall Operations Automation Cisco Meraki Microsoft 365 Cyber Security Virtualization Windows Servers Network Routing Computer Science Active Directory Network Switches Endpoint Security Windows PowerShell Business Valuation Root Cause Analysis System Administration Information Technology Full Stack Development Azure Active Directory Network Administration Artificial Intelligence Technical Documentation Infrastructure Security Wireless Communications Business Transformation Vulnerability Assessments Virtual Private Networks (VPN) Dynamic Host Configuration Protocol (DHCP) Advanced Cardiovascular Life Support (ACLS) Certification, 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., * DNS

• DHCP
• SMTP
• HTTP / HTTPS
• SFTP

Network Infrastructure

• Cisco Meraki
• VPN Appliances
• Wireless Networks
• Firewalls

• Routing and Switching, 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., Nessus VCloud Hyper-V Firewall Operations Automation Cisco Meraki Microsoft 365 Cyber Security Virtualization Windows Servers Network Routing Computer Science Active Directory Network Switches Endpoint Security Windows PowerShell Business Valuation Root Cause Analysis System Administration Information Technology Full Stack Development Azure Active Directory Network Administration Artificial Intelligence Technical Documentation Infrastructure Security Wireless Communications Business Transformation Vulnerability Assessments Virtual Private Networks (VPN) Dynamic Host Configuration Protocol (DHCP) Advanced Cardiovascular Life Support (ACLS) Certification +0 Spacecraft Systems Engineer TEKsystems

El Segundo, CA*On-Site

JIRA Operations Management Spacecraft Subsystems End Systems Communication Accountability Vehicle Systems Business Valuation Customer Engagement Systems Engineering Systems Integration Integration Testing Engineering Support Performance Testing Technical Authority Atlassian Confluence Full Stack Development Artificial Intelligence Business Transformation IT Security Architecture Critical Design Review (CDR) OMG Certified SysML Professional Electromagnetic Interference And Compatibility (EMC/EMI) +0 Systems Engineer TEKsystems

El Segundo, CA*On-Site

Operations Management Vehicle Systems Spacecraft Design Business Valuation Systems Engineering Systems Integration Integration Testing Performance Testing Lifecycle Management Full Stack Development Artificial Intelligence Business Transformation OMG Certified SysML Professional Electromagnetic Interference And Compatibility (EMC/EMI) Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) +0 Login | JoinContact

• Minimum 7 years of Systems Administration and Network Administration experience., * Bachelor’s Degree in Computer Science, Information Technology, or a related field, * Four additional years of relevant experience may be substituted for the degree requirement., * Windows Server Administration
• Active Directory (AD)
• Microsoft Entra ID (Azure AD)
• Microsoft 365 / Office 365
• SharePoint Administration and Support
• Microsoft Teams Administration, * VMware
• Hyper-V
• Cloud Architecture
• Virtual Infrastructure Management, * CrowdStrike or similar Endpoint Security Platforms
• Nessus
• Splunk
• VPN Security
• Access Control Lists (ACLs)
• IPSec
• SSL
• Vulnerability Management
• Security Remediation
• Cybersecurity Best Practices, 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.

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., 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.