
SISL Infotech UK
Actively Hiring
System Integrator for Businesses
Job Location
Remote Work Policy
In office
Visa Sponsorship
Not Available
RelocationAllowed
Skills
Python
Git
BGP
DNS
TCP/IP
WAN Optimization
Ospf
EIGRP
Ansible
WLAN
DHCP
servicenow
QoS
Firewalls
Vlans
Terraform
Solarwinds
thousandeyes
Ips
STP
Load Balancers
CI/CD
CI/CD Pipelines
Infrastructure As Code (IaC)
SD-Wan
Cisco DNAC
VPNs
VRFs
Enterprise LAN/WAN
HSRP/VRRP
Prometheus/Grafana
Fortinet Secure SD-WAN
Splunk/ELK
Data Center (Nexus/ACI)
NetBox/Nautobot
VDOM Design & Administration
High Availability (HA) Deployment & Troubleshooting
FortiGate Administration & Troubleshooting
FortiManager Configuration & Policy Management
FortiAnalyzer Log Analysis & Reporting
FortiAuthenticator (MFA, RADIUS, TACACS+)
FortiEMS & Endpoint Integration
FortiOS Upgrades, Patching & Lifecycle Management
Security Policy Design & Optimization
Antivirus & Application Control
Web Filtering & DNS Filtering
SSL Inspection & Decryption
Threat Prevention & Security Hardening
Security Zone Segmentation
Rule Base Optimization & Cleanup
Access Control & Governance
SLA-Based Path Selection
Overlay VPN Management
Link Health Monitoring
SD-WAN Design & Troubleshooting
About the job
Job Title - Sr. Network Engineer
Location - Burlington, NJ 08016
Duration - Fulltime
Job Description -
Technical Skills
- Experience in network engineering / NOC / NRE / NetDevOps roles.
- Core Networking: Strong in Routing & Switching (BGP, OSPF, EIGRP, STP, VLANs, VRFs, HSRP/VRRP, etc.).
- Network Domains: Hands-on in one or more areas – Enterprise LAN/WAN, SD-WAN, Data Center (Nexus/ACI), WLAN, firewalls, or load balancers.
- Automation & NetDevOps:
- Design, build, and maintain network automation using Python, Ansible, Terraform, Git, CI/CD.
- Implement Infrastructure as Code (IaC) for configuration and lifecycle management.
- Integrate workflows with Source of Truth (NetBox/Nautobot) and ITSM tools (ServiceNow).
- Develop reusable modules, playbooks, and pipelines for provisioning, upgrades, backups, and compliance.
- Use Python with network libraries (Netmiko, NAPALM, pyATS, etc. as a plus).
- Git & CI/CD: Comfortable with Git (branches, merge requests) and basic CI/CD pipelines.
- VDOM Design & Administration
- High Availability (HA) Deployment & Troubleshooting
- Observability: Experience with at least one monitoring stack (SolarWinds, Cisco DNAC, ThousandEyes, Prometheus/Grafana, Splunk/ELK, etc.).
- Protocols & Troubleshooting: Strong understanding of TCP/IP, DNS, DHCP, VPNs, QoS, and proven ability to troubleshoot complex network issues under pressure.
- Collaboration & Design:
- Work closely with network architects, operations, SRE, and application teams to embed reliability by design.
- Contribute to network design reviews focusing on resilience, failure domains, capacity, and automation readiness.
- Documentation & Mentoring:
- Create and maintain runbooks, playbooks, and documentation for ops teams.
- Mentor engineers on NetDevOps, automation, and reliability best practices.
- FortiGate Administration & Troubleshooting
- FortiManager Configuration & Policy Management
- FortiAnalyzer Log Analysis & Reporting
- FortiAuthenticator (MFA, RADIUS, TACACS+)
- FortiEMS & Endpoint Integration
- FortiOS Upgrades, Patching & Lifecycle Management
Firewall & Security Skill –
- Security Policy Design & Optimization
- IPS, Antivirus & Application Control
- Web Filtering & DNS Filtering
- SSL Inspection & Decryption
- Threat Prevention & Security Hardening
- Security Zone Segmentation
- Rule Base Optimization & Cleanup
- Access Control & Governance
SD-WAN Skills-
- Fortinet Secure SD-WAN
- SLA-Based Path Selection
- Overlay VPN Management
- WAN Optimization
- Link Health Monitoring
- SD-WAN Design & Troubleshooting
About the company
Learn more about SISL Infotech UK 
More jobs at SISL Infotech UK
View all jobs at SISL Infotech UKSimilar Jobs

Cross River
Cross River is a highly profitable, fast-growing financial technology company

Cross River
Cross River is a highly profitable, fast-growing financial technology company

Cross River
Cross River is a highly profitable, fast-growing financial technology company
