Systems Engineer

Build Great IT. Protect Great Businesses.

Total Network Solutions (TNS) is a rapidly growing Managed IT and Cybersecurity Services Provider supporting businesses throughout Southern California and across the United States.

Our clients rely on us to design, secure, and support the technology that keeps their businesses running. We are looking for a Systems Engineer who enjoys solving difficult technical problems, working directly with clients, and continuously learning new technologies.

If you're the engineer everyone calls when things get complicated, you'll fit in well here.

About the Role

This is not an internal IT position.

You'll support multiple client environments across a wide variety of industries, designing, implementing, and supporting modern Microsoft, virtualization, networking, and cybersecurity solutions.

This position is approximately:

• 2–3 days working from our Long Beach office
• 2–3 days visiting client locations throughout Southern California

Candidates must currently live within approximately 30 minutes of Long Beach, CA.

What You'll Do

As one of our engineers, you'll serve as a technical lead responsible for both reactive support and proactive engineering.

Responsibilities include:

• Design, implement and support Microsoft 365 environments
• Administer Microsoft Entra ID, Exchange Online, SharePoint, Teams and OneDrive
• Deploy and manage Microsoft Intune and Microsoft Defender
• Configure Microsoft Purview policies and data protection solutions
• Design and administer Windows Server environments
• Active Directory, Group Policy, DNS and DHCP administration
• Deploy and support VMware and Hyper-V virtualization platforms
• Configure and troubleshoot business-class networking equipment including:
• Fortinet
• Meraki
• Ubiquiti
• SonicWall
• Configure VPNs, VLANs, switching and wireless infrastructure
• Lead server migrations, Microsoft 365 migrations and infrastructure upgrades
• Support backup and disaster recovery solutions
• Troubleshoot complex performance, networking and security issues
• Utilize RMM and PSA platforms to manage client environments
• Develop PowerShell automation to improve operational efficiency
• Create accurate technical documentation
• Mentor junior engineers
• Participate in after-hours maintenance windows as required

Cybersecurity Experience

Cybersecurity is a core part of every client engagement.

You should have experience working with technologies such as:

• Microsoft Defender for Business / Defender for Endpoint
• Huntress
• SentinelOne
• MDR/XDR platforms
• Email security solutions
• Multi-factor authentication
• Conditional Access
• Vulnerability remediation
• Security awareness best practices
• Basic incident response

Experience with Microsoft Sentinel or other SIEM platforms is a plus.

Required Qualifications

We are looking for someone with:

• 5 years of Systems Engineering experience
• 3 years working for a Managed Service Provider (MSP) or IT consulting firm
• Strong Microsoft 365 administration experience
• Deep knowledge of:
• Windows Server
• Active Directory
• Microsoft Entra ID
• Intune
• Microsoft Defender
• Microsoft Purview
• Strong networking knowledge
• VMware and/or Hyper-V administration
• Experience supporting Windows 10/11 and macOS
• Strong troubleshooting skills
• Excellent written documentation skills
• Excellent customer communication skills
• Valid driver's license
• Reliable transportation

Preferred Qualifications

• Microsoft certifications
• Fortinet NSE / FCA
• Meraki certifications
• VMware certifications
• CompTIA Security
• Azure certifications
• PowerShell scripting
• Experience with:
• NinjaOne
• Autotask PSA
• Huntress
• Microsoft 365 Lighthouse
• CIPP
• Auvik
• Veeam

Who You Are

The right person for this role is:

• Personable and enjoys working directly with clients
• Calm under pressure
• A strong troubleshooter
• Naturally curious
• Organized
• A team player
• Self-motivated
• Professional in appearance and communication
• Comfortable leading technical conversations
• Someone who owns problems until they're solved

Why Join TNS?

You'll work with modern technologies in environments that are constantly evolving.

No two days are the same.

You'll have the opportunity to:

• Work with a talented engineering team
• Lead challenging infrastructure projects
• Expand your cloud and cybersecurity skills
• Build long-term relationships with clients
• Influence standards and best practices across the company
• Grow into Technical Lead or Solutions Architect roles

Benefits

• Competitive Salary
• 401(k)
• Health Insurance
• Dental Insurance
• Vision Insurance
• Paid Time Off
• Paid Holidays
• Certification reimbursement
• Company-provided laptop and tools

Why This Position Is Different

We don't measure success by how many tickets you close.

We measure success by how well you solve problems, improve client environments, and help our team succeed.

If you're looking for a place where your technical expertise is valued and your work has a direct impact on our clients' success, we'd love to meet you.

Pay: $100,000.00 - $130,000.00 per year

Benefits:

• 401(k)
• 401(k) matching
• Dental insurance
• Health insurance
• Paid time off
• Professional development assistance

Work Location: In person

Salary : $100,000 - $130,000