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Job Req ID:  65236

Network Engineer

IT@JH Networking, Telecom and Data Ctr is seeking a Network Engineer  who will contribute to planning, forecasting, implementation, and identification of resource requirements for network backbone infrastructures (inclusive of wireless technologies). The scope of this position typically affects the delivery of campus backbone network resources for a large number of local and wide-area connected buildings.


Trouble-shoot, monitor and maintain network components and functionality on a school/campus/enterprise-wide level. Position provides consultation to IT users in designated business units for aspects of network connectivity functions, issues of increasing traffic, and determining the path between hosts across the network. Candidate communicates with end users about the scheduling and delivery of changes within the network topology and participates in the technical aspects of network changes and workflow. 


General summary/purpose


The Network Engineer 1 position will be responsible for the day to day management, monitoring, troubleshooting, and replacing of the wireless infrastructure on the Johns Hopkins University and Medical campuses.  This employee will be located on the JHU Homewood campus but have responsibilities across the entire enterprise.


Specific duties & responsibilities


This position will be responsible for designing, managing, and installing small to medium size wireless projects across various enterprise locations.  All projects will need to be documented using established templates. The Network Engineer 1 will be responsible for following all documented processes and procedures for monitoring and troubleshooting wireless issues as part of a team.  In addition, the engineer will be part of small and large scale fleet replacement efforts across the enterprise.  The engineer will be required to participate in larger network projects and should possess excellent teamwork skills.


Specific devices, software, projects for which the position is responsible:
Describe the type of devices and software. How does it work? Who uses it? What is the impact on an employee’s/client’s work? What makes the assignments complex? 


Candidates must have some experience with wireless technologies, understand RF signal types and interferers, and be familiar with the Cisco family of wireless network hardware, to include wireless controllers, Cisco Prime, Cisco DNA center, and Cisco ISE.  Knowledge of additional RF tools such as Ekahau and NetAlly are beneficial.


Scale/size of area, project and/or system supported  

The current wireless infrastructure consists of 17 production controllers, 10,200 access points, 2 monitoring and management platforms, and 6 authentication servers.  The Network Engineer 1 should have a solid understanding of the Cisco platform and be able to learn and expand technical knowledge and expertise.


Work location: Primary work location is JHU Homewood campus, but employee will be expected to support the wireless infrastructure enterprise-wide and be willing to travel regionally as needed.


On call requirements : Will be part of on-call rotation roughly once per month


Minimum qualifications (mandatory): Previous wireless experience


Special knowledge, skills, and abilities:

  • Strong understanding of RF coverage, signal spectrum, wireless interference


Technical qualifications or specialized certifications: CCNA Preferred


 Specific physical requirements for the job: Must be able to lift 50lb; able to climb ladders for fleet replacement








Essential Job Functions (add position-specific functions if necessary)


Analysis and Design


Install, Configure, Maintain






Relationship Management



Job Scope/Complexity:

  • Position primarily focuses on entry level to moderately complex designs for data and voice communication systems throughout the Johns Hopkins enterprise. 
  • Job complexity includes design/engineering/installation of small to medium sized projects (multiple floors within a building to multiple buildings within a campus), troubleshooting routing and switching protocol issues, and interfacing with customers to understand needs. 
  • Typically, this job is focused on a primary Johns Hopkins campus; however, this position is expected to travel throughout Maryland/DC to cover any Johns Hopkins location as required.


Specific Duties & Responsibilities:

Network Analysis & Design:

  • Manage small to medium sized projects and program components (protocol analysis, address space engineering, migration to new systems, scheduling, installations, product research, etc.) by following established guidelines/objectives to deliver service to customers.
  • Responsible for network planning, network infrastructure design and engineering by meeting with network team to discuss plans and alternatives of possible solutions.
  • Develop project planning documents by using established departmental guidelines to deliver successful projects.
  • Produces written reports (e.g., status reports, research results, project plans) by using standard tools to document analysis of a network infrastructure or system.
  • Provide presentations on ideas, designs, plans, and/or solutions by using standard presentation tools to communicate to a variety of audiences.


Installation & Configuration:

  • Install and configure small to medium size networks, including implementation and verification of connections to remote sites in a WAN by using established procedures and tools to deliver quality products to customers.
  • Implement changes by adhering to the change management policies and procedures for any given project. Communicate to all parties the nature, significance, and risk factors of the solution.
  • With minimal guidance and/or oversight, install, configure, and interpret results of network analyzers.


Maintain & Troubleshoot:

  • Maintain medium size route and switched networks (0-10,000 nodes), including verification of connections to remote sites in a WAN by following documentation provided for the solution to ensure a stable network
  • Coordinate and solve network issues that have been escalated from tier-1 personnel (Network Analyst, or Network Technician), inclusive of setting up network analyzers and interpreting results, by using standard network analysis tools to provide a successful solution to the problem.
  • Troubleshoot medium size route and switched networks, including verification of connections to remote sites in a WAN, by using standard network analysis tools to provide successful solutions to the customers.
  • Analyze and determine root cause of problems by reviewing hardware vs software, hardware vs firmware, software vs operating system, network vs applications/systems, and patterned vs non-repeatable issues to deliver solution to the problem.


Technical Collaboration:

  • Collaborate with school, campus, or Enterprise-wide peers on assignments.
  • May mentor other staff positions such as Network Analysts, or Network Technicians by reviewing their work to give them guidance with their tasks.


The responsibilities listed above are typical examples of the work performed by this position. Not all duties assigned to this position are included, nor is it expected that everyone in this position will be assigned every job responsibility.


Minimum Qualifications (Mandatory):

  • Bachelor’s Degree. Additional experience may substitute for education.
  • Three years of related experience.  Additional education may substitute for experience. 

Special Knowledge, Skills, & Abilities:

  • Must possess all requisite knowledge, skills, and abilities as posted in the supplemental section.
  • Must demonstrate strong critical thinking and analytical reasoning skills.
  • Ability to work on multiple priorities effectively.
  • Ability to prioritize conflicting demands.
  • Demonstrated track record of the ability to execute assigned project tasks within established schedule. 
  • Ability to work collaboratively in a team environment.
  • Ability to communicate effectively in the service of users and colleagues in a positive manner.
  • Writes and communicates clearly and concisely.
  • Possesses sound documentation skills.
  • Ability to maintain confidentiality.
  • Demonstrated track record of exemplary customer service skills.
  • General understanding of the OSI network model, Ethernet, and TCP/IP networking.
  • General knowledge of common network monitoring and security devices.
  • General knowledge and experience implementing and administrating common TCP/IP-based services, including DNS, DHCP, HTTP, FTP, SSH, SMTP, etc.
  • General knowledge of Classless Internet Domain Routing (CIDR); ability to clearly explain and articulate CIDR.
  • Demonstrated ability to successfully configure network devices in an enterprise setting similar in scope,
  • Size and complexity as Johns Hopkins.  Examples of devices that may be configured include:  routers, switches, csu/dsus, content management switches, caching devices, firewalls, wireless controllers, access points, etc.
  • General knowledge of Metro Ethernet, DWDM, optical, and related technologies.
  • General knowledge of MPLS.
  • General knowledge of QOS
  • General knowledge of different IPv4 addresses, inclusive of loopback, unicast, multicast, limited and directed broadcast.
  • Working knowledge of IPv4 and 32-bit numbers.
  • General knowledge of IPv6 and 128-bit numbers.
  • General knowledge of mainstream network troubleshooting tools such as MRTG, Cacti, SmokePing, HP Openview, Cisco Works, etc.
  • Working knowledge of routed and routing protocols; demonstrated ability to troubleshoot simple to medium complexity IPv4 routing issues.
  • Working knowledge of IP, Enhanced Interior Gateway Routing Protocol (EIGRP), Serial Line Interface
  • Protocol Frame Relay, Routing Information Protocol Version 2 (RIPv2), VLANs, Ethernet, and access control lists (ACLs).
  • May configure and maintain network related systems that run Windows, Linux, or Unix, as an operating system.
  • General knowledge of Layer2 technologies and ability to clearly explain and articulate Layer2 strengths and weaknesses.
  • General understanding of Cisco wireless products and services.
  • Working knowledge of technical features, functions and benefits of a controller-based wireless architecture.
  • General knowledge of how CSMA/CD functions operate.
  • Demonstrated track record of keeping abreast of current and leading edge networking and wireless
  • Technologies/methodologies as related to the existing breadth and scope of products used at Hopkins
  • General knowledge of Multicast.
  • Troubleshooting basic issues focused on determining hardware vs. software, hardware vs. firmware, software vs. operating system, network vs. application/systems, and patterned vs. non-repeatable problems
  • Follows standard practices and procedures in analyzing situations involving readily identifiable problems.
  • Demonstrated ability to install, configure, operate, and troubleshoot small to intermediate-scale- route and switched networks, including implementation and verification of connections to remote sites in a WAN.
  • General knowledge of how wireless controllers work in a centralized wireless environment. 
  • General knowledge of user and certificate based authentication systems.
  • General knowledge of redundant network technologies, such as HSRP, spanning tree, Vs, etc.
  • General knowledge of various load balancing technologies, such as CSM (Content Switching Modules), ACE (Application Control Engine), Advanced AP load balancing strategies, etc.
  • General understanding of wireless networking and a solid understanding of wireless LAN technologies.
  • General knowledge of networking technologies within a production data center.


JHU Equivalency Formula: 30 undergraduate degree credits or 18 graduate degree credits = 1 year of experience. For jobs where equivalency is permitted, up to two years of non-related college coursework may be applied towards the total minimum education/experience required for the respective job.


Classified Title: Network Engineer
Role/Level/Range: ATP/04/PD 
Starting Salary Range: $59,280 - $81,435 annually (commensurate with experience)
Employee group: Full Time 
Schedule: Mon-Fri 8:30am-5:00pm 
Exempt Status: Exempt  
Location: ​​​​​​​Homewood Campus 

Department name: ​​​​​​​IT@JH Networking, Telecom and Data Ctr 
Personnel area: University Administration


The successful candidate(s) for this position will be subject to a pre-employment background check.


If you are interested in applying for employment with The Johns Hopkins University and require special assistance or accommodation during any part of the pre-employment process, please contact the HR Business Services Office at jhurecruitment@jhu.edu. For TTY users, call via Maryland Relay or dial 711.


Johns Hopkins has mandated COVID-19 and influenza vaccines, as applicable. Exceptions to the COVID and flu vaccine requirements may be provided to individuals for religious beliefs or medical reasons or because the individual is pregnant or attempting to become pregnant. Requests for an exception must be submitted to the JHU vaccination registry. For additional information, applicants for SOM positions should visit https://www.hopkinsmedicine.org/coronavirus/covid-19-vaccine/ and all other JHU applicants should visit https://covidinfo.jhu.edu/health-safety/covid-vaccination-information/.


The following additional provisions may apply depending on which campus you will work.  Your recruiter will advise accordingly.


The pre-employment physical for positions in clinical areas, laboratories, working with research subjects, or involving community contact requires documentation of immune status against Rubella (German measles), Rubeola (Measles), Mumps, Varicella (chickenpox), Hepatitis B and documentation of having received the Tdap (Tetanus, diphtheria, pertussis) vaccination. This may include documentation of having two (2) MMR vaccines; two (2) Varicella vaccines; or antibody status to these diseases from laboratory testing. Blood tests for immunities to these diseases are ordinarily included in the pre-employment physical exam except for those employees who provide results of blood tests or immunization documentation from their own health care providers. Any vaccinations required for these diseases will be given at no cost in our Occupational Health office.


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