Senior Systems & Network Engineer

Forward Slash Technology; St. Louis (MO); On-site; USD 75,000 - 95,000; Full time

Job summary

A St. Louis-based technology firm is seeking a Senior Systems & Network Engineer to join their client-facing engineering team. This mid-senior level position involves mentoring junior engineers and handling complex systems issues while engaging with clients. The ideal candidate will have significant experience in networking and systems administration, with skills in Windows Server and Azure. The role offers a full-time schedule based in St. Louis, MO, promoting growth into a Lead Engineer role.

Qualifications

• 4+ years of experience in systems administration, networking, or project engineering.
• Strong networking fundamentals including IP, VLANs, routing, and firewalling.
• Advanced experience with Windows Server, virtualization, and Microsoft 365/Azure.
• Excellent troubleshooting, communication, and organizational skills.
• Ability to work independently and manage multiple priorities.

Responsibilities

• Act as a senior technical escalation resource for complex systems and network issues.
• Contribute to engineering standards, documentation, and best practices.
• Mentor junior engineers through guidance, review, and example.
• Design and implement solutions across servers, networking, security, wireless, and cloud.
• Engage directly with clients for discovery, assessments, and solution discussions.
• Produce accurate BOMs, SOWs, and technical proposals.
• Deploy and support Windows Server, virtualization, Microsoft 365, and Azure environments.
• Maintain clear documentation in Autotask, IT Glue, and internal systems.

Skills

Networking fundamentals (IP, VLANs, routing, firewalling)

Windows Server and virtualization

Microsoft 365 and Azure

Troubleshooting

Communication

Organizational skills

Ability to work independently

Job description

Forward Slash Technology is a St. Louis-based Cyber Security, Information Technology, and Managed Services provider.

We are seeking a Senior Systems & Network Engineer to join our St. Louis‑based engineering team. This is a senior‑level, client‑facing individual contributor role with strong influence onorlugu technical standards, solution design, and team success.

The position reports directly to the Director of Engineering and offers a clear growth path bien a Lead Engineer role for individuals who demonstrate ownership, leadership, and consistency over time.

Client Environment

• Client environments supporting 25‑500+ endpoints
• Multi‑site municipal and SMB networks
• On‑prem, hybrid, and cloud‑first infrastructures
• High‑availability systems exceeding 99.9% uptime targets

Responsibilities

• Act as a senior technical escalation resource for complex systems and network issues
• Contribute to engineering standards, documentation, and best practices
• Mentor junior engineers through guidance, review, and example
• Design and implement solutions across servers, networking, security, wireless, and cloud
• Engage directly with clients for discovery, assessments, and solution discussions
• Produce accurate BOMs, SOWs, and technical proposals
• Deploy and support Windows Server, virtualization, Microsoft 365, and Azure environments
• Maintain clear documentation in Autotask, IT Glue, and internal systems

Qualifications

• 4+ years of experience in systems administration, networking, or project engineering
• Strong networking fundamentals (IP, VLANs,Бо routing, firewalling)
• Advanced Windows Server, virtualization, and Microsoft 365 / Azure experience
• Excellent troubleshooting, communication, and organizational skills
• Ability to work independently and manage multiple priorities

Compliance & Background Requirements

• Be a U.S. Citizen and hold a valid driver’s license with a clean record
• Pass a MSHP/Federal fingerprint‑based background check
• Complete the CJIS Security & Privacy Training Certification

This is a full‑time, onsite position based in our St Louis, MO office.

Seniority level: Mid‑Senior level – Employment type: Full‑time – Job function: Information Technology – Industries: IT Services and IT Consulting.