Senior Network Engineer (Infrastructure & Cloud)

Charles River Associates•Boston, MA
•$130,000 - $152,500•Hybrid

About The Position

Charles River Associates (CRA) is a global consulting firm that provides economic, financial, and business management expertise to law firms, corporations, and governments. Its Information Technology team has 40 professionals working across Service Delivery & Telecom, Enterprise Application Solutions, Infrastructure, Networking and Cloud Services, and Security. The team is based in offices including Boston, Chicago, London, Munich, New York, Oakland, and Washington, DC. CRA is seeking an experienced Network Engineer for its small global networking team. The role plans, designs, implements, documents, secures, and troubleshoots enterprise network systems across campus, data center, wireless, WAN, and cloud environments. It supports daily operations and maintenance, advances security initiatives, and collaborates with IT colleagues, stakeholders, and vendors around the world. The position includes travel to other CRA offices, and some out-of-hours and weekend work for scheduled upgrades and unexpected outages. The role is expected to work in the office at least three to four days per week. Specific days are coordinated with the practice or team; office attendance may include travel to another CRA office or client meetings.

Requirements

  • Bachelor's degree in Computer Science, Information Systems, or a related discipline.
  • Four to six years of relevant work experience.
  • Current Cisco certification at the CCNA level, or a demonstrated track record of maintaining Cisco certifications at or above the CCNA level.
  • Knowledge of secure LAN/WAN, campus, data center, wireless, and cloud networking operations.
  • Hands-on experience designing, implementing, and supporting networking in Microsoft Azure and Amazon Web Services (AWS).
  • Hands-on experience with Cisco Nexus data center switching, Cisco Catalyst switching and wireless, and Cisco Firepower firewalls.
  • Experience with network management and automation platforms, including Cisco Nexus Dashboard, Cisco Catalyst Center, and Infoblox.
  • Skill designing and documenting logical and physical networks using Microsoft Visio.
  • Strong practical knowledge of Cisco enterprise networking platforms across LAN/WAN, data center, wireless, firewall, and cloud-connected environments.
  • Proficiency with Spanning Tree, DNS, DHCP, BGP, OSPF, HSRP, LACP, SNMP, NTP, IPsec VPN, and QoS.
  • Experience creating, reviewing, implementing, and troubleshooting firewall policies, preferably using Cisco Firepower.
  • Ability to maintain accurate network topology, rack, connectivity, and as-built documentation using Microsoft Visio.
  • Ability to propose and clearly communicate network topology changes that improve availability, security, performance, and operational supportability.
  • Familiarity with ITIL change management, implementation planning, rollback planning, and pre-change risk assessment.
  • Strong troubleshooting skills across Layers 1 through 7, including packet capture and network performance analysis.
  • Comfort in customer-facing scenarios and ability to collaborate effectively in cross-functional technical teams.
  • Self-motivation and ability to prioritize and execute tasks in a high-pressure environment.
  • Ability to travel to other offices and execute project plans with minimal oversight.

Nice To Haves

  • Master's degree in Computer Science, Information Systems, or a related discipline.
  • Relevant experience in a professional services environment.
  • CCNP certification.
  • Relevant Microsoft Azure and AWS certifications.
  • Strong knowledge of Microsoft Azure networking, including virtual networks, routing, network security controls, and hybrid connectivity.
  • Strong knowledge of AWS networking, including VPCs, routing, security controls, and hybrid connectivity.
  • Experience with Cisco Nexus data center switches and Nexus Dashboard.
  • Experience with Cisco Catalyst switches, Catalyst wireless infrastructure, and Catalyst Center.
  • Cisco Firepower firewall experience; Palo Alto firewall experience is also valued.
  • Experience with Infoblox DNS, DHCP, and IP address management (IPAM).
  • Experience with Cisco ISE and 802.1X network access control.
  • Experience with Cisco Catalyst SD-WAN.
  • Experience with Kemp LoadMaster load balancers.
  • Experience with Cisco Umbrella.
  • Knowledge of PKI, certificate lifecycle management, domain registration, DNS, and 802.1X fundamentals.

Responsibilities

  • Design, install, configure, test, document, and maintain secure network infrastructure across on-premises and cloud environments.
  • Identify, diagnose, and resolve complex network, wireless, firewall, DNS, and connectivity issues.
  • Create and maintain Microsoft Visio network diagrams, implementation plans, configuration standards, and as-built documentation.
  • Administer and use Nexus Dashboard, Catalyst Center, Infoblox, and other management platforms for network visibility, configuration, assurance, and lifecycle activities.
  • Maintain accurate configuration records, inventories, circuit information, support documentation, and vendor contacts.
  • Plan and execute upgrades while minimizing service disruption and maintaining tested rollback procedures.
  • Develop, implement, and maintain policies, procedures, and training plans for network resource administration, appropriate use, and disaster recovery.
  • Ensure network hardware, software, firmware, and configurations are current, supportable, and secure.
  • Monitor and test network performance and provide performance statistics, reports, and recommendations.
  • Coordinate with internal teams and external vendors to deliver projects and resolve incidents.
  • Coordinate with other IT teams and colleagues across the firm, including travel to other CRA offices as needed.
  • Perform some out-of-hours and weekend work for scheduled upgrades and unexpected outages.

Benefits

  • Comprehensive benefits package, subject to eligibility requirements.
  • Medical, dental, and vision insurance.
  • 401(k) retirement plan with employer match.
  • Life and disability insurance.
  • Paid time off, including vacation, sick leave, and holidays.
  • Paid parental leave.
  • Wellness programs and employee assistance resources.
  • Commuter benefits.
  • Bonus incentive compensation eligibility.
  • Technical training, presentation skills training, internal seminars, and career mentoring and performance coaching.
  • Leadership and collaboration opportunities through internal firm development activities.
  • In-house immigration support for foreign nationals and international business travelers.
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