Network Day 2 Operations Engineer
Accellor is an AI-native services firm purpose-built for the post-ChatGPT era. Free from legacy constraints, we focus on delivering measurable business outcomes through advanced AI, data, and engineering capabilities. Our mission is to operationalize AI at scale and unlock sustained enterprise value.Our offerings span AI solutions, data services, enterprise applications, and product engineering, tailored to industry-specific needs across healthcare, life sciences, telecom, retail, financial services, and technology. By leveraging design thinking and technology-agnostic architectures, we ensure faster time-to-value and seamless interoperability.With a proven track record of enabling Fortune 100 enterprises and global innovators, Accellor stands as a trusted partner for organizations seeking to harness the full potential of AI. Our vision is clear: to build intelligent, connected ecosystems that deliver measurable outcomes and redefine the future of enterprise transformation.Role Summary: We are seeking experienced Network Day 2 Operations Engineer to join our client's Technology Infrastructure team. In this role, you will be responsible for the ongoing operations, monitoring, troubleshooting, and lifecycle management of enterprise network infrastructure. Day 2 operations encompass all activities that occur after initial deployment including incident response, change management, performance optimization, and continuous improvement across a complex, multi-vendor environment.You will work alongside full-time network engineers and must be capable of operating independently in high-pressure production environments with minimal supervision.Positions are available on both day and night shifts to ensure round-the-clock network coverage.Key Responsibilities:Monitor, maintain, and troubleshoot enterprise routing and switching infrastructure across data center and campus environmentsManage firewall policies, security rule bases, and access control lists across Cisco and Palo Alto Networks platformsAdminister and support VPN and SD-WAN solutions, ensuring secure and reliable connectivity for remote sites and usersMaintain and optimize wireless network infrastructure using HPE Aruba platforms, including AP management and RF troubleshootingOperate and tune Web Application Firewall (WAF) policies on Imperva and F5 XC platforms to protect web-facing applicationsManage DNS infrastructure and IPAM using Infoblox, including zone management, record updates, and DHCP administrationConfigure, optimize, and troubleshoot F5 load balancer pools, virtual servers, and iRules; manage Cisco WSA Proxy policiesAdminister TACACS+ for network device access control, including policy updates, authentication troubleshooting, and auditingParticipate in on-call rotation and respond to network incidents within defined SLA windowsProduce and maintain accurate network documentation, runbooks, and change recordsCollaborate with security, cloud, and application teams to support cross-functional initiativesExecute approved change requests following ITIL-aligned change management processesDevelop and maintain network automation scripts and playbooks to streamline repetitive operational tasks, reduce manual errors, and accelerate change delivery using Python, Ansible, and/or similar toolingRequirementsTechnology Requirements:Routing & Switching: Cisco Routers, Cisco Switches (IOS, IOS-XE, NX-OS)Firewalls: Cisco ASA / FTD, Palo Alto Networks (PAN-OS)VPN & SD-WAN: Cisco VPN (AnyConnect / Site-to-Site), Palo Alto SD-WAN, Zscaler (ZIA / ZPA)Wireless LAN: HPE Aruba (APs, Mobility Controllers, Central)Web Application Firewall: Imperva WAF, F5 XC (Distributed Cloud WAF)DNS / IPAM / DHCP: Infoblox DDI PlatformLoad Balancer & Proxy: F5 BIG-IP Load Balancer, Cisco WSA ProxyAccess Control: TACACS+ (Cisco ISE or equivalent)Automation & Scripting: Python, Ansible, Terraform, Git, REST APIs, Netmiko / NAPALM Required Qualifications:5-10 years of progressive hands-on experience in enterprise network operations or engineeringDemonstrated expertise across routing protocols: OSPF, BGP, EIGRP; VLANs, STP, and layer 2/3 switchingProficiency in firewall policy management on at least two vendor platforms (Cisco and/or Palo Alto)Working knowledge of SSL/TLS inspection, URL filtering, and application-layer security controlsExperience with ITSM tools (ServiceNow or equivalent) for incident and change managementStrong analytical and troubleshooting skills in complex, multi-vendor network environmentsAbility to work off-hours for scheduled maintenance windows and emergency incidentsStrong written and verbal communication skills; ability to produce clear technical documentationProficiency in at least one scripting or automation language (Python preferred) for network task automation, data parsing, and API integrationHands-on experience with Ansible or similar configuration management tools for network device provisioning and compliance enforcementFamiliarity with version control (Git) and CI/CD pipelines for managing and deploying network automation codeExperience using REST APIs or NETCONF/YANG to interact programmatically with network devices and management platformsParticipation in on-call rotation may be required depending on project assignmentPreferred Qualifications:Active industry certifications: Cisco CCNP / CCIE, Palo Alto PCNSE, Aruba ACCP/ACMP, F5 201/301, Zscaler ZCCA-IA, or equivalentExperience in large-scale financial services, insurance, or regulated enterprise environmentsExperience with Terraform for network infrastructure-as-code workflowsKnowledge of network automation frameworks such as Netmiko, NAPALM, or NornirExposure to cloud networking (AWS, Azure) and hybrid connectivity modelsKnowledge of NIST, PCI-DSS, or SOX compliance requirements as they relate to network controls