OT Infrastructure

Operations Manager – OT Infrastructure / Senior Network & Security Engineer

Location:

Antwerp

Experience:

8+ Years

No. of Positions:

2

Job Type:

Full-time

Start Date:

ASAP Job Summary

We are looking for an experienced

Operations Manager – OT Infrastructure / Senior Network & Security Engineer

with strong expertise in Cisco networking and Palo Alto firewall technologies. The ideal candidate will be responsible for end-to-end L3 support, operational management, troubleshooting, and governance of enterprise network and network security environments across datacenter, branch, hybrid, and OT infrastructure landscapes. Key Responsibilities

Network Operations (Cisco)

Provide L3 support for enterprise network infrastructure including Cisco routers, switches, WAN/LAN, datacenter, and branch connectivity Troubleshoot advanced networking issues involving:

Routing & Switching VLANs & Trunking STP HSRP / VRRP ACLs BGP / OSPF / Static Routing Packet Loss & Latency Link Flaps & Asymmetric Routing

Support network migrations, cutovers, onboarding activities, and service changes Monitor network utilization, interface errors, and overall network performance Network Security Operations (Palo Alto)

Provide L3 support for Palo Alto firewall environments Manage firewall policies, NAT, VPN, policy tuning, and traffic flow analysis Troubleshoot firewall-related issues impacting application communication and connectivity Support Panorama-managed environments and firewall governance activities Coordinate implementation of security controls aligned with enterprise standards Incident, Change & Problem Management

Lead P1/P2 incident handling for network and security-related services Act as escalation point for major outages and recurring service issues Conduct root cause analysis and define corrective/preventive actions Execute planned changes with proper validation, rollback planning, and governance Ensure service restoration checks and change documentation are completed Operations & Governance

Manage operational activities across networking and security domains Drive SLA compliance, escalation handling, and operational prioritization Mentor L1/L2 engineers and support knowledge transfer initiatives Coordinate with customers, ISPs, OEMs, cloud teams, and internal technical teams Maintain SOPs, network diagrams, firewall documentation, and implementation standards Support audit, compliance, vulnerability remediation, and hardening initiatives Identify opportunities for optimization, standardization, and operational improvements Required Qualifications

8+ years of experience in enterprise network and network security operations Strong hands-on expertise in Cisco networking technologies Strong hands-on expertise in Palo Alto firewalls Good understanding of:

Routing & Switching VLANs, Trunking, STP OSPF / BGP ACLs NAT & VPN Network Segmentation Firewall Policy Evaluation Packet Flow Analysis

Experience in enterprise datacenter, branch, and hybrid network environments Strong troubleshooting skills across networking and security layers Excellent incident management and stakeholder coordination skills Strong analytical, documentation, and reporting capabilities Ability to independently handle L3 escalations and high-priority incidents Note:

For this position,

Dutchand English communication proficiency mandatory. Preferred Skills

Exposure to cloud connectivity and cloud security integrations Experience with monitoring tools and security log analysis Scripting or automation exposure for operational efficiency Vendor coordination and escalation management experience Familiarity with OT or industrial infrastructure environments What We Offer

Competitive salary package and long-term project opportunities Opportunity to work on enterprise-scale network and security environments International and collaborative work culture Exposure to modern networking, cybersecurity, and hybrid infrastructure technologies Career growth and leadership opportunities High-impact operational role with strong ownership and technical decision-making exposure How to Apply

If this opportunity excites you, click

“Apply Now ”

or send your application to

jobs_europe@barytech.com

with the subject

“Application for Operations Manager – OT Infrastructure / Senior Network & Security Engineer | Antwerp | Full Time” . Join Us

At BaryTech, we’re solving real-world challenges at the intersection of IT and innovation. Join a team of passionate professionals who believe in learning, growth, and impact-driven technology.