Senior Systems & Network Engineer

fwslash· Technical Services
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📍 St. Louis, Missouri, United StatesFull Time

About this role

About Forward Slash Technology

Forward Slash Technology is a St. Louis-based provider of managed IT services, cybersecurity, technology consulting, project delivery, voice, data, and strategic technology governance. Our clients include small and mid-sized businesses, municipal organizations, and professional-services organizations that rely on us for responsive support, practical strategy, and disciplined execution.


Position Overview

Provides senior technical leadership for complex infrastructure, network, cloud, identity, backup, resilience, and security work; leads advanced diagnosis, design, remediation, major-incident technical response, standards development, and peer mentoring without displacing management, commercial, project, or executive authority.


Key Responsibilities

  • Lead complex infrastructure and network design, remediation, migrations, recoverability, lifecycle, standardization, and technical-debt reduction across approved client environments.
  • Serve as the senior technical lead for major incidents and difficult escalations, coordinating evidence, diagnosis, restoration, risk containment, technical communication, and permanent corrective action.
  • Develop and review architectures, implementation plans, change records, rollback plans, test criteria, diagrams, standards, scripts, runbooks, and operational acceptance evidence.
  • Provide advanced engineering across Microsoft server, Azure, Microsoft 365, Active Directory/Entra ID, virtualization, network, firewall, wireless, backup/DR, monitoring, automation, and related platforms.
  • Partner with Cybersecurity on secure design, vulnerability remediation, identity/access, logging, segmentation, resilience, incident response, and compliance-supporting technical controls.
  • Lead assigned technical project work packages and support discovery, estimates, design validation, implementation, acceptance testing, handoff, and post-implementation review under Project and Technical Services governance.
  • Mentor Systems & Network Engineers, conduct peer review, improve escalation quality, transfer knowledge, and help establish capability-development plans with the Technical Services Manager.
  • Provide evidence-based architecture, lifecycle, capacity, risk, vendor, and standards recommendations to the Technical Services Manager, Director of Service Delivery & Operations, Solutions Architect, Client Success, and project leadership.
  • Participate in senior on-call coverage, recovery testing, client-site work, governance reviews, and technical improvement initiatives as assigned.


Required Qualifications

  • 8+ years of progressively responsible systems, network, cloud, infrastructure, or managed-services engineering experience with demonstrated complex design and technical-lead responsibility.
  • Advanced capability across Microsoft server and cloud platforms, identity, networking, firewalls, wireless, virtualization, backup/disaster recovery, monitoring, security, automation, and structured troubleshooting.
  • Documented success leading high-risk changes, major incidents, migrations, root-cause analysis, permanent corrective action, technical standards, and knowledge transfer.
  • Strong client communication, technical writing, peer mentoring, project collaboration, governance discipline, and judgment regarding escalation and decision authority.


Preferred Qualifications

  • Advanced Microsoft, Barracuda, ADTRAN, Cisco, Fortinet, VMware, Veeam, Azure, CompTIA, ITIL, Kaseya, security, cloud, or comparable certifications.
  • Managed Services Provider experience across diverse client environments, regulated clients, technical pre-sales support, project leadership, and service-transition responsibilities.


Core Competencies

• Infrastructure architecture

• Advanced troubleshooting

• Major-incident leadership

• Root-cause analysis

• Security-by-design

• Change and risk governance

• Technical standards

• Peer mentoring

• Project technical leadership

• Executive and client communication


Measures of Success

  • Major-incident recovery and technical leadership
  • Complex change, migration, and design success rate
  • Root-cause and permanent-corrective-action completion
  • Availability, resilience, backup/recovery, monitoring, and security compliance
  • Architecture, standards, and technical-debt improvement
  • Project technical quality, acceptance, and handoff
  • Documentation, knowledge transfer, peer review, and engineer development
  • Utilization, forecast reliability, client confidence, and professional conduct


Work Environment and Employment Requirements

  • Full-time, primarily in-office with client travel.
  • Must be able to lawfully work in the U.S.
  • Ability to perform the essential functions of the position with or without reasonable accommodation.
  • Ability to protect confidential client, employee, security, and company information.
  • Compliance with FST policies, documentation standards, security requirements, and professional conduct expectations.
  • Positions that access criminal justice or regulated client environments may require U.S. citizenship, a valid driver's license, an acceptable driving record, MSHP/federal fingerprint-based background screening, and CJIS training/certification as applicable to the assignment.


Why Join FST

  • Visible impact in a growing technology-services company.
  • Exposure to diverse client environments and business challenges.
  • A culture built around accountability, professional development, continuous improvement, and client partnership.
  • Opportunity to help shape FST 2.0 operating standards and scalable service delivery.


Forward Slash Technology provides equal employment opportunities consistent with applicable law. This description summarizes the general nature and level of work and may be updated as business needs evolve through approved governance and employment processes.

Frequently Asked Questions

Is the salary disclosed for the Senior Systems & Network Engineer position at fwslash?
The salary for this Senior Systems & Network Engineer role at fwslash is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Senior Systems & Network Engineer position at fwslash located?
This Senior Systems & Network Engineer role at fwslash is based in St. Louis, Missouri, United States. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Systems & Network Engineer role at fwslash full-time or part-time?
This is listed as a Full Time position. It is posted as a Senior Systems & Network Engineer role in the Technical Services department at fwslash.
Which team or department does the Senior Systems & Network Engineer at fwslash belong to?
This Senior Systems & Network Engineer position is part of the Technical Services department at fwslash. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Systems & Network Engineer position at fwslash?
Click the "Apply Now" button on this page. You will be redirected to fwslash's official application portal hosted on bamboohr where you can submit your application directly.
When was the Senior Systems & Network Engineer job at fwslash posted?
This Senior Systems & Network Engineer position at fwslash was posted on Aug 21, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Systems & Network Engineer
fwslash
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