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Fresenius Medical Care North America Principal Networking Engineer in Lexington, Massachusetts

Job ID 20000JR5

Available Openings 1


Plans network systems by evaluating network and network technologies; developing requirements for local area networks (LANs), wide area networks (WANs), virtual private networks (VPNs), routers, load balancers. Wireless LANS, and related network and network devices; designs IP Address Management infrastructures (IPAMs), including use of DHCP and DNS that adhere to industry standards.


Ability to :

  • Design, deploy andmaintain large-scale enterprise network infrastructures

  • Contribute to thedevelopment of strategic infrastructure roadmaps including on-premise, hybridand cloud technologies

  • Link short and long-termbusiness needs to meet business objectives

  • Establish networkarchitecture best suited to support business applications

  • Assist with changemanagement procedures related to network infrastructure

  • Lead projects in termsof requirements gathering, scope determination, identification of potentialblockers/interdependencies, and executing implementation plans

  • Ensure service levelagreements align with business expectations

Knowledgeof the following :

  • Cisco Nexus data centerand peripheral switches including Nexus 9k, 7k, 5k, 3k

  • Routing Protocols - BGP,IEGRP, OSPF

  • Layer 2 and layer 3switching

  • Wireless networktechnologies – Aruba, Meraki, Cisco

  • Network Access Control(wired & wireless)

  • Cloudnetwork infrastructure best practices – AWS,Azure

  • Diagnostic tools – Extrahop,wireshark, solarwinds, etc

  • SD-WAN

  • Tap agg technologies –Gigamon, Arista, Cisco

  • Managing public andprivate IP address space

  • DNS - Internal/externalmanagement

  • Proficiency with F5 loadbalancers

  • PKI - SSL certificates,root certificates

  • Multi-factorauthentication

  • Firewall technologies - Palo Alto Networks,Checkpoint


  • Implements network systems by specifying connectivity configurations

  • Directs equipment and software installation and calibration

  • Provides technical support and completes documentation.

  • Verifies network systems by developing and implementing tests

  • Maintains network by monitoring and ensuring compliance to standards, policies, and procedures

  • Upgrades network systems

  • Identifies network gaps; evaluates and implements enhancements.

  • Prepares system network reports by collating, and summarizing data and trends.

  • Provides support for Infrastructure teams for debugging and troubleshooting.

  • Works closely with the rest of the team and the Network Security teams to troubleshoot and optimize the environment.

  • Communicates with development teams when changes occur.

  • Works on significant and unique issues where analysis of situations or data requires an evaluation of intangibles. Exercises judgment in methods, techniques and evaluation criteria for obtaining results.

  • Acts independently to determine methods and procedures on new or special assignments.

  • Reviews and complies with the Code of Business Conduct and all applicable company policies and procedures, local, state and federal laws and regulations.

  • Assists with various projects as assigned by a direct supervisor.

  • Other duties as assigned.


  • The physical demands and work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.


  • None


  • Bachelor’s Degree required; Advanced Degree preferred

  • A degree in Computer Science or MIS a plus.

  • MIS or Computer Science course work at the graduate level a plus

  • Certification in a Network role (e.g. CCNA) is highly desirable.


  • Minimum of 8-10 years’ related experience

  • A Bachelor’s degree; or a Master’s degree with 8 years’ experience; or a PhD with 5 years’ experience; or equivalent directly related work experience.

  • Expert working level with switches, routers, wireless LANs, load balancing, DNS

  • Network Design Expertise.

  • Expert level with Cisco environment required.

  • Experience with voice-over-IP environments is a plus.

  • Knowledge of network management and monitoring is necessary

  • Expert knowledge implementing high-availability solutions

  • Requires very strong troubleshooting skills

  • Requires very strong knowledge of TCP/IP, routing, etc.

  • Working experience in large scale Enterprise Network environment.

  • Must have good verbal and written communication skills as well as the ability to effectively interface with internal IT and User personnel.

  • Requires excellent documentation skills to meet compliance requirements.

  • Must be expert level in network, networking, troubleshooting, clustering, and fluent in the ever changing technical landscape. Interact with users to recommend purchases of hardware/software and coordinates installation with vendors and/or technicians.

EO/AA Employer: Minorities/Females/Veterans/Disability/Sexual Orientation/Gender Identity

Fresenius Medical Care North America maintains a drug-free workplace in accordance with applicable federal and state laws.