Operations Manager - OT Infrastructure / Senior Network & Security Engineer

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

Do you have experience in VPN?, * 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, Dutch and 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
• ITIL process understanding
• Vendor coordination and escalation management experience
• Familiarity with OT or industrial infrastructure environments

• 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

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.