Senior Infrastructure Engineer

Harvard Partners Trusted IT Advisors; Boston (MA); On-site; USD 120,000 - 180,000; Full time

Job summary

Harvard Partners, LLP, Trusted Advisors to IT seeks a Sr Infrastructure Engineer to design and build infrastructure blueprints with cross-functional teams. You will contribute to end-to-end deployment patterns, document operational readiness, and ensure scalable, repeatable solutions for production and non-production environments.

You will apply deep SIP and UC knowledge across CUCM, Unity Connection, IM&P, Jabber, and Expressway, while coordinating with onshore/offshore teams to meet delivery

Qualifications

• Strong networking fundamentals.
• Advanced understanding of TCP/IP protocols.
• Experience with routing, switching, QoS, NAT, DNS, DHCP, and firewalls.
• Ability to perform packet captures and protocol-level troubleshooting using Wireshark and similar tools.
• Strong root-cause analysis capabilities across network, voice, and application layers.

Responsibilities

• Participate in design, development, and implementation of end-to-end Infrastructure solutions/blueprints as part of a cross-functional team with service targets and cost models.
• Provide technical depth in the installation, configuration, administration, and operations of technologies in the area of responsibility.
• Work with and Automation Engineering to support Infrastructure automation projects, and maintain and update existing automation solutions to continually improve the provisioning times for IT environments.
• Participate in the development of appropriate documentation for Operational Readiness activities as part of a cross-functional team.
• Design and build of pilot solutions utilizing new technologies, and implementing new product features and enhancements.
• Ensure integration and operational viability for Infrastructure Products in the area of responsibility.
• Coordinate with onshore/offshore teams to drive Infrastructure builds and to resolve issues.
• Participate in 3 support for technology area.

Skills

Networking fundamentals

TCP/IP protocols

Routing & switching

Wireshark analysis

SIP fundamentals

SIP RFC standards

SIP traces analysis

CUCM

Cisco Unity Connection

Cisco IM&P

Cisco Jabber

Cisco Expressway

Oracle SBC

Cisco CUBE

Cisco CVP

Cisco UCCE

IVR design concepts

Call routing strategies

End-to-end infrastructure design

Automation & scripting

Tools

Wireshark

Job description

As the Sr Infrastructure Engineer, you will be responsible for collaborating with Solutions Engineering, Infrastructure Operations, And Infrastructure Service Management Teams in The Design and Build of Infrastructure Solutions/Blueprints for Area of Responsibility. Participating In the Design and Build of Repeatable Patterns (Build-Kits) To Improve Deployment Times for Non-Prod and Prod Environments. Transitioning Knowledge to Infrastructure Operations.

Responsibilities:

• Participate in design, development, and implementation of end-to-end Infrastructure solutions/blueprints as part of a cross-functional team with service targets and cost models.
• Provide technical depth in the installation, configuration, administration, and operations of technologies in the area of responsibility.
• Work with and Automation Engineering to support Infrastructure automation projects, and maintain and update existing automation solutions to continually improve the provisioning times for IT environments.
• Participate in the development of appropriate documentation for Operational Readiness activities as part of a cross-functional team.
• Design and build of pilot solutions utilizing new technologies, and implementing new product features and enhancements.
• Ensure integration and operational viability for Infrastructure Products in the area of responsibility.
• Coordinate with onshore/offshore teams to drive Infrastructure builds and to resolve issues.
• Participate in 3 support for technology area.

Qualifications:

Networking

• Strong networking fundamentals.
• Advanced understanding of TCP/IP protocols.
• Experience with routing, switching, QoS, NAT, DNS, DHCP, and firewalls.
• Ability to perform packet captures and protocol-level troubleshooting using Wireshark and similar tools.
• Strong root-cause analysis capabilities across network, voice, and application layers.

SIP Expertise:

• Expert understanding of SIP fundamentals and SIP protocol architecture.
• Strong knowledge of SIP RFC standards and specifications.
• Deep understanding of:
  • SIP requests and responses.
  • SIP message structure and headers.
  • Call setup and teardown flows.
  • Registration flows.
  • SIP trunk integrations.
  • SIP troubleshooting methodologies.
  • Ability to analyze SIP traces and resolve complex call routing issues.

Unified Communications Platforms:

• Cisco Unified Communications Manager (CUCM).
• Cisco Unity Connection.
• Cisco IM & Presence.
• Cisco Jabber.
• Cisco Expressway.

Session Border Controllers:

• Oracle SBC / Oracle Session Router.
• Cisco CUBE.

Contact Center:

• Cisco CVP.
• Cisco UCCE.
• Ability to understand and troubleshoot end-to-end contact center call flows.
• Experience with IVR design concepts and call routing strategies.

General Skills:

• Infrastructure Automation.
• Operations Management.
• ITIL v3.
• IT standards, procedures, policies.
• Ability to simplify & standardize complex concepts / processes
• Understanding of business priorities (e.g., vision), trends (e.g., industry knowledge) and markets (e.g., existing/ planned).
• Oral & written communications.
• Problem solving / analytical skills, tools and techniques.
• Supplier management.Ability to prioritize and make trade-off decisions.
• Drive cross functional execution.
• Adaptability and ability to introduce / manage change.
• Teamwork and collaboration.
• Organized and detail oriented.
• Analytical and problem-solving skills.