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MSx Security Engineer III

TPX Communications United States

United States

Today

Full time Cloud Platforms Cybersecurity Operations Data Security

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Job Description

TPX Communications is hiring an MSx Security Engineer III for an onsite role in the United States. In this leadership-level position, you’ll help steer complex networking and security outcomes within TPx’s Managed Services environment, serving as a go-to escalation point while supporting customer deployments and continuous improvement across offerings.

What you’ll do

Stay current on emerging trends, threats, and technologies relevant to TPx offerings, applying that knowledge to customer solutions.
Act as an escalation point for lower tiers, supporting questions and partnering to drive issue resolution.
Provide consulting support for client environments, including technology planning and security-focused best practices through technical discussions.
Plan, design, and deploy cloud-based FortiGate platforms and other UTM offerings.
Use network diagrams to support solution planning; create diagrams as needed using Visio.
Own assigned tickets to drive resolution and maintain customer satisfaction.
Collaborate with customers and internal teams (sales and marketing) to understand customer needs.
Handle escalations coming from the Managed Services Support Team and within the Security Engineering Team.
Work closely with Project Managers and Implementation Specialists to meet installation timelines for customers.
Support the Managed Services Support Team as directed by MSx management.
Participate in after-hours installations and escalations as needed.

Responsibilities across solution delivery

This role supports customers with complex, end-to-end networking and security solutions, including designing, building, and deploying premise-based firewalls, routers, switches, access points, and SD-WAN appliances. You will also partner with product engineering to vet new solutions and document current ones to improve workflow, and coordinate with other senior engineers to develop cross-platform solutions and evaluate products aligned to customer needs.

Required experience and skills

Minimum 7-10 years of IT/Network/Telco/Security work experience
Experience in a leadership or trainer capacity
Proven design/build experience across SMB and enterprise network environments
Customer service experience and a positive attitude
Strong technical, troubleshooting, and problem-solving skills
Strong knowledge of LAN and WAN with security best practices, including IP routing protocols and topologies, switching technologies, VLANs, packet-level performance analysis, and application troubleshooting
Hands-on tools and protocols including Wireshark, DHCP, DNS, VPN, and Microsoft Visio/Office Suite
Deep understanding of routing protocol configuration, including BGP and OSPF
Excellent written and oral communication
Ability to work independently
Bachelor’s degree in Information Systems or related experience
Industry-recognized certifications: NSE/FCP/FCSS, CCNA, CCNP
NSE 4 / FCP required; NSE 5, 6, 7 / FCSS desired
In-depth knowledge of Fortinet plus additional areas including Wi-Fi, SIP/RTP, VoIP, Video, DNS, SMTP, and HTTP/HTTPS/SSL
Experience with Fortinet SD WAN

Additional skills (highly desired)

Programming experience; Python experience highly desired
Knowledge of other firewall vendors such as Palo Alto and SonicWall is highly desired
Microsoft AD, Email, and Virtualization knowledge/experience highly desired

Technologies you’ll work with

Fortinet, Meraki, FortiManager, FortiAnalzyer, FortiGate, UTM
Visio, Wireshark, DHCP, DNS, VPN
BGP, OSPF, IP routing protocols, VLANs
SIP/RTP, VoIP, Video, SMTP, HTTP/HTTPS/SSL
Fortinet SD WAN, Python
Palo Alto, SonicWall, Microsoft AD, Email, Virtualization
NSE/FCP/FCSS, CCNA, CCNP, NSE 4/FCP, NSE 5,6,7/FCSS
Microsoft Visio/Office Suite

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