Sr. Network Operations Engineer - ACI / PAN

Information Technology
78047 Requisition #

Arthur J. Gallagher & Co., one of the world's largest insurance brokerage and risk management services firms, provides a full range of retail and wholesale property/casualty (P/C) brokerage and alternative risk transfer services globally, as well as employee benefit brokerage, consulting and actuarial services. Gallagher also offers claims and information management, risk control consulting and appraisal services to clients around the world. If you're looking for a professional career with an industry leader then you have come to the right place.  Wherever your interests lie, we're sure you will agree on one thing: our continued prosperity hinges on our greatest resource --- our people. 

Installation and support of Data network with focus on ACI and Palo Alto infrastructure. 

Position Summary


This position will be responsible for installation, and support data networks as part of the initiative to standardize data network elements of a global enterprise.


List of Essential Duties

  • Technical lead for supporting datacenter infrastructure with focus on Cisco ACI and Palo firewalls.
  • Manage application migration to ACI centric infrastructure.
  • Create and support access rules for application access on Palo firewalls.
  • Optimize and maintain network software and hardware.
  • Perform network infrastructure troubleshooting including F5 load balancers
  • Deploy and manage Cisco Wireless solution to branch offices globally
  • Deploy and manage Cisco HD Video conferencing solution to branch offices globally
  • Deploy and manage Cisco (WAAS) WAN optimization/acceleration solution to branch offices globally
  • Deploy and support Aruba Solution for tele-workers
  • Provide level 2/3 support for VoIP and network related issues


  • 3+ years experience in network engineering. Experience network engineering and operation with an enterprise organization preferred.
  • 3+ years of experience leading project teams and/or mentoring junior engineers.
  • In depth knowledge and understanding of networking technologies, design principles, and the practical application of routers, switches, virtualization, storage, storage networking virtualization/zoning, load-balancers and network security.
  • Experience working with SDN solutions such as Cisco ACI, VMware VNX.
  • Knowledge of network security solutions such as firewalls, VPNs, Intrusion detection/prevention, and web application firewalls.
  • Strong technical knowledge and experience in several of the following (certification a plus):
    • Cisco Routing/Switching, spine/leaf architecture
    • Cisco ACI
    • Palo Alto Networks firewalls and security solutions
    • F5 LTM/GTM
    • Cisco UCS & Nexus
    • Cisco WAAS, WCCP
    • Cisco security solutions
    • Cisco ISE
    • Gigamon
    • QoS, prioritization of voice and video
    • Network automation
  • Proven understanding of network segmentation/isolation, encryption architectures
  • Strong documentation skills and experience generating technical documents, diagrams, solutions specifications, guidelines, processes, and procedures.
  • Experience troubleshooting complex LAN/WAN environment problems to resolution in a multi-platform, multi-protocol environment
  • Solid written and oral communications skills



  • Proficiency with Visio and Microsoft Excel
  • Bachelor’s degree in Computer Science, Computer Information Systems or related field or the equivalent in training and experience
  • CCNA and CCNP Certifications


Work Traits

Must be able to overlay technical proficiency with good project management, and must have solid written and verbal communications skills.


U.S. Eligibility Requirements

  • Interested candidates must submit an application and resume/CV online to be considered
  • Must be 18 years of age or older
  • Must be willing to submit to a background investigation; any offer of employment is conditioned upon the successful completion of a background investigation
  • Must have unrestricted work authorization to work in the United States.  For U.S. employment opportunities, Gallagher hires U.S. citizens, permanent residents, asylees, refugees, and temporary residents. Temporary residence does not include those with non-immigrant work authorization (F, J, H or L visas), such as students in practical training status. Exceptions to these requirements will be determined based on shortage of qualified candidates with a particular skill. Gallagher will require proof of work authorization
  • Must be willing to execute Gallagher's Employee Agreement which requires, among other things, post-employment obligations relating to non-solicitation, confidentiality and non-disclosure

Gallagher believes that all persons are entitled to equal employment opportunity and does not discriminate against nor favor any applicant because of race, color, religion, sex, age, veteran status, disability, national origin, or any other legally protected status.  Equal employment opportunity will be extended in all aspects of the employer-employee relationship, including, but not limited to, recruitment, hiring, training, promotion, transfer, demotion, compensation, benefits, layoff, and termination.  In addition, Gallagher will make reasonable accommodations to known physical or mental limitations of an otherwise qualified applicant with a disability, unless the accommodation would impose an undue hardship on the operation of our business.




Please Note:

Gallagher never extends an offer of employment or requests any personal identification information without having received an online application and conducted one or more in-person or video interviews. If you have received any communication referencing the offer of a job at Gallagher and you have not submitted an online application or been interviewed by a Gallagher employee, please do not assume that the offer is being sent from a legitimate Gallagher representative.

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