Senior Systems & Network Engineer

Reposted Yesterday
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St Louis, MO, USA
In-Office
Senior level
Information Technology
The Role
Lead technical strategy and service delivery as a Senior Network Engineer, managing complex IT infrastructures and mentoring junior engineers while ensuring client satisfaction and security compliance.
Summary Generated by Built In

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 on technical standards, solution design, and team success. The position reports directly to the Director of Engineering and offers a clear growth path into a Lead Engineer role for individuals who demonstrate ownership, leadership, and consistency over time.


  • 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, 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

To maintain employment with our company, by mandate, each employee MUST

  • 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.


Skills Required

  • 10+ years supporting IT networks in MSP environments
  • Proficient in Layer 2/3 switching, routing (OSPF, BGP), DNS, and DHCP
  • Experience with firewalls including Barracuda and Fortinet
  • Advanced expertise in Active Directory and Windows Server environments
  • Skilled in VMware, Hyper-V, and hybrid infrastructure solutions
  • Strong analytic and problem-solving abilities
  • Bachelor's degree in computer science or related field
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The Company
HQ: St Louis, MO
12 Employees
Year Founded: 2011

What We Do

Forward Slash Technology is a St. Louis-based IT consulting and outsourcing firm. We serve small and medium-sized businesses with their IT needs including managed services, IT consulting, cloud computing, network security, infrastructure management, VoIP, video surveillance, software development, website development and more. Outsourcing your organization's IT requirements reduces overhead, resource consumption and will help control your operating costs. Scaling and utilizing resources for every organization is crucial for developing efficient, sustainable business models. With 24/7/365 availability, Forward Slash Technology is ready to engineer, monitor and manage your IT.

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