Haystack
← Back to Jobs
Other
CE

Network Security L3 SME

Centraprise CorpSaint Paul, MN🇺🇸United StatesPosted 20 Jul 2026

Why This Role Stands Out

Advance your expertise as a Network Security L3 SME at Centraprise Corp, where you'll tackle complex challenges and contribute to critical infrastructure improvements in a hybrid environment. If you possess strong analytical skills and a passion for network technologies like Palo Alto and Cisco, this role offers significant growth and impact. Apply today to join a collaborative team and shape the future of network security.

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
Saint Paul, MN, United States
Posted
5 weeks ago
AWSLoad BalancingTCP/IPAzureComplianceRoot Cause AnalysisStakeholder Management

Job Description

Must Have Technical/Functional Skills
 
 Excellent network administration and troubleshooting skills.
2.  Good Understanding and troubleshooting skills of TCP/IP, Switching &Routing protocols, MPLS, Load balancing 
3.  Knowledge and experience in STP, VTP, HSRP, VLAN, QoS and other switching technologies
4.  Good Knowledge & Hands on experience on Palo Alto Firewalls and Juniper switches
5.  Good Knowledge and experience on Cisco Wireless Controllers
6.  Ability to understand the design and provide suggestions for improvements
7.  Excellent analytical and organizational skills and the ability to work with multiple geographically dispersed teams
8.  Excellent listening skills & ability to communicate clearly and fluently in English 
9.  Flexibility to work in shifts for 24x7 support
10. Strong team player with a constructive perspective and commitment to the success of the business
11. Ability to work on multiple concurrent tasks with conflicting priorities
12. Product knowledge:
o Routing Protocols, especially MPLS, BGP, EIGRP
o Cisco Routers -- 7200, 3800, 3600, 2800, 2900, 881
o Firewalls -- Cisco ASA5550, Checkpoint, Palo Alto
o Security -- IDS, IPS
o Load Balancers – F5
o Switches -- Nexus 9K/7K/5K/2K, Cisco 9300/6500/4500/3750/2960, Juniper switches
o WLAN – Wireless LAN Controllers, WCS, Cisco WLAN Controllers
o PBR, PfR and ASRs
o Zscaler (ZIA)
o SD-WAN
o Cisco ACI using Spine-Leaf
 
Roles & Responsibilities
Resolve critical network incidents escalated from L1 and L2 teams. Analyze complex routing, switching, wireless, and security issues. Perform root cause analysis (RCA) and implement permanent fixes.
Review network architecture and recommend improvements and align with standards.  Support datacenter and cloud networking ( Azure, AWS) manage hybrid connectivity and SD-WAN solutions. Abilities to manage and guide team for all LAN/Wi-Fi/ SDWAN issue.
 
Generic Managerial Skills, If any
Network Operations Management
Network Security Compliance
Stakeholder Management
Team Leadership
Vendor and Service Provider Management

Similar jobs