Senior Network Engineer (Datacenter)

    H-E-B
    San Antonio, TX 78201
    Full-time
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    Job Description

    The Network Maintenance and Operations Team maintains performance of the complex data network and equipment for H-E-B, and ensures network improvements are successfully implemented and monitored to increase efficiency.

    As a Senior Network Engineer - Datacenter, you will analyze, design, install, configure and support network infrastructure and application availability and visibility across the Active-Active HEB Datacenters and different Public Clouds. You will analyze current processes and systems and assist in automating repetitive operational functions. You will also drive problem-management efforts for complex network outages.

    We are looking for:
    • Computer Science Degree; one or more network certifications
    • 5+ years of experience designing and managing large enterprise distributed network environments
    • An expert in data network analysis, design, engineering, and automation who will serve as a source of direction, training, and guidance for others
    • Analytical and problem-solving skills
    What is the work?

    Network Design, Configuration, and Support:
    • Leads infrastructure work related to datacenter networks / services
    • Plans, designs, evaluates, configures, maintains, and selects network operating systems / firmware and related protocol suites
    • Provides support to technical network systems
    • Provides in-depth assessment of customers' networked application needs, provides network modeling and simulation consulting, and engineers appropriate solution
    • Creates and updates network documentation and schematics
    • Plans for hardware and resource provisioning per requirement projections and capacity forecasting
    • Configures, updates, and manages VIP configurations on F5 load balancers for various mission-critical business applications
    • Recommends, schedules, performs network enhancements and upgrades
    • Reviews access control list (ACL) rules on Cisco ASA & Fortinet firewall platforms for troubleshooting purposes
    • Performs Cisco ASA & Fortinet firewall replacements and upgrades
    • Conducts routine network firewall/network infrastructure audits for compliance purposes
    • Maintains network security through proper configuration of devices according to best practices
    • Adheres to architected technology roadmaps in designs and implementations
    • Supports complex projects requiring additional specialized technical knowledge
    • Coordinates with technical and non-technical employees and clients to determine requirements
    • Monitors internal and vendor service level agreements (SLAs); identifies / resolves SLA gaps; tracks circuits inventory (orders and disconnects), cost and related budgets; reports regularly
    • Acts as technical Subject Matter Expert (SME) for cross-functional IT Teams, providing assistance and troubleshooting for network-related application issues and maintenance of complex network technology stacks
    • Participates in weekly on-call rotation
    Troubleshooting / Analytics:
    • Proactively identifies and assesses network issues, performs troubleshooting, researches solutions, focusing on root cause
    • Monitors / responds to network incidents, triages, and resolves the problem
    • Investigates and remediates network capacity-related issues
    • Troubleshoots Datacenter, Public Cloud connectivity and Perimeter WAN issues
    • Performs analysis and fine-tuning of tools designed for monitoring network and system availability and performance (packet loss, network utilization, traffic flows)
    • Participates in research and recommendations of new technologies related to data network
    • Performs advanced troubleshooting across multiple technologies and functional areas
    • Conducts network assessments and recommends performance improvements for Datacenter technologies
    • Implements / tests formal disaster recovery procedures for the network as required
    • Contributes significantly to assessments of new technical network system technologies
    Mentoring:
    • Develops / monitors mentoring plans through on-the-job training for other team members
    • Establishes and communicates common goals and direction for team
    • Documents / encourages others on H-E-B standards and procedures
    What is your background?
    • Bachelor's degree or higher in computer science, engineering, or related field, OR equivalent work experience
    • 5+ years of experience designing and managing large enterprise distributed network environments
    • CCNP, CCIE, JNCIS, JNCIE, VCP-NV or similar network-based certifications
    • Expertise in the following networking technologies and standards: IP Routing, Traffic engineering, QoS, Multicasting, Local Area Network (LAN), Wide Area Network (WAN), DCI (datacenter interconnects), Overlay technologies
    • Efficient with network monitoring, logging, packet captures and network tapping solutions (Gigamon)
    • Expertise with DNS (managing zones), DHCP, IPAM and NTP services
    • Expert knowledge and proven experience with Cisco routing (ISR, ASR, NCS), Cisco/Arista/Aruba data center switching (NX-OS, AOS, Aruba OS-CX) and routing protocols (BGP, EIGRP, OSPF)
    • Experience with data center technologies such as MPBGP-EVPN, VXLAN Overlay Networking, MLAG, VPC, Multicast and GRE
    • Expert knowledge of Datacenter Firewalling, segmentation, micro-segmentation and VPN services with vendors like Cisco, Palo Alto, Fortinet
    • Experience designing, managing and supporting 3 tier (Core, Agg, Access) & Spine-Leaf (CLOS) Datacenter Active -Active network fabric architectures (Arista, Cisco, Juniper, Cumulus etc.)
    • Experience designing, configuring and troubleshooting virtual networking platforms such as VMware NSX/VMware VDS (SDDC)
    • Proven experience deploying, configuring and troubleshooting F5 BIG-IP portfolio including LTM, ASM, GTM/DNS (or other load-balancing solutions)
    • Experience in leveraging network automation tools, methodologies to streamline network operations processes and tasks: Git, Gerrit, Ansible, Puppet, YAML, JSON, Jinja2, Python, Jenkins, Batfish, Netmiko etc.
    • Experience with Cloud Networking (AWS, GCP, Azure) - designing, deploying and troubleshooting VPCs, VPNs, Virtual-Routers over Cloud Exchange (GCP Partner-Interconnect, Azure ExpressRoute, AWS Direct-Connect), cloud certifications a plus.
    Preferred Key Competencies
    • Reducing MTTR by leveraging various network troubleshooting tools and applying innovative methods
    • Solid understanding of TCP/IP, Routing, Switching, load-balancing and firewall segmentation services
    • Comfortable with an "API first" approach i.e. treating infrastructure as code
    • Demonstrated analytical, problem-solving, communication and time management skills
    • Basic Project Management skills - Agile, Waterfall
    • Ability to work efficiently in a fast-paced technical environment with increasing support demands and complexity
    • Ability to prioritize and manage assigned tasks to meet deadlines and objectives
    ISA3232

    Qualifications :

    Posting ID: 559418371Posted: 2020-07-14