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Core Infrastructure Engineer Jobs in Merrimack, NH

Core Network Engineer

Manchester, NH Β· On-site

$105K - $120K/yr

Engineer and scale DWDM infrastructure supporting backbone growth and service expansion. * Engineer, design, and implement upgrades to the IP Core backbone. * Plan and implement capacity upgrades ...

Senior Systems Engineer

Merrimack, NH Β· On-site

$107K - $146K/yr

Build Way principles) Who we are looking for The Senior Systems Engineer designs, implements ... Endpoint, Server & Core Infrastructure * Administer and support Windows 10 and Windows 11 ...

Sr. DevOps Engineer

Lowell, MA Β· On-site

$128K - $165K/yr

Our software is a core driver - turning our hardware into smart, integrated platforms for partners ... This role will drive our infrastructure automation, cloud services, and CI/CD practices across ...

Sr. DevOps Engineer

Lowell, MA Β· On-site

$128K - $165K/yr

Our software is a core driver - turning our hardware into smart, integrated platforms for partners ... This role will drive our infrastructure automation, cloud services, and CI/CD practices across ...

Network emulation frameworks including CORE, EMANE, MiniNet * Container and Orchestration solutions ... infrastructure through a broad range of initiatives in computer network defense, secure-by-design ...

Design, implement, and support enterprise-wide network infrastructure across global locations ... At PCI, Equity and Inclusion are at the core of our company's purpose: Together, delivering life ...

Senior Embedded Engineer, Safety

Andover, MA Β· Hybrid

$125K - $164K/yr

You will contribute to software architecture, hardware integration, test infrastructure, and ... Contributions to open-source software projects or experience working in open-core development ...

Senior AWS Cloud Engineer

Devens, MA Β· On-site

$132K - $182K/yr

We build and operate advanced digital infrastructure that enables innovation, accelerates growth ... Experience with AWS-native streaming solutions such as IoT Core/SiteWise, Kinesis, Firehose

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Showing results 1-20

Core Infrastructure Engineer information

See Merrimack, NH salary details

$47.6K

$130.1K

$186.3K

How much do core infrastructure engineer jobs pay per year?

As of Sep 13, 2026, the average yearly pay for core infrastructure engineer in Merrimack, NH is $130,097.00, according to ZipRecruiter salary data. Most workers in this role earn between $110,100.00 and $144,400.00 per year, depending on experience, location, and employer.

What is a core infrastructure engineer?

A core infrastructure engineer designs, implements, and maintains the fundamental technology systems that support an organization’s IT environment, including servers, networks, and data centers. They often work with cloud platforms, automation tools, and security protocols to ensure reliable and scalable infrastructure. Strong knowledge of networking, scripting, and system administration is essential for this role.
Infographic showing various Core Infrastructure Engineer job openings in Merrimack, NH as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 15% Part Time, and 3% Contract. Highlights an 94% Physical, 2% Hybrid, and 4% Remote job distribution, with an average salary of $130,097 per year, or $62.5 per hour.

Identity & Collaboration Infrastructure Engineer

Andover, MA β€’ On-site

$108K - $142K/yr

Contractor

Re-posted 11 days ago


Job description

Role: Identity & Collaboration Infrastructure Engineer
Location: Andover, MA - Hybrid
Duration: 12-month contract

Let’s create our future together at The AES Group!

About The AES Group

The AES Group is a premier technology staffing and services company that has been bringing businesses and talent together for over 20 years to deliver innovative technology solutions that create meaningful impact. AES helps enterprises, including Fortune 500 organizations, engage customers, empower employees, and transform operations through cloud, data, AI, and emerging technologies.

What you’ll get
  • Hybrid schedule in Andover, MA

  • Ownership of enterprise identity, messaging, and collaboration systems in a large-scale hybrid environment

  • Hands-on work across Active Directory, Azure AD, Exchange (on-prem + online), and Office 365

  • Partnering with engineering teams on modernization, migrations, and platform initiatives

  • Exposure to a 24x7 global environment with meaningful operational impact


About the Role

We’re seeking an Identity & Collaboration Infrastructure Engineer to support and modernize enterprise identity, messaging, and collaboration platforms as part of a Directory & Unified Communications team. This role is centered on stability, optimization, and modernization of core Microsoft and SaaS collaboration technologies within a large-scale hybrid environment.

You’ll act as a senior escalation point, drive deep troubleshooting and root-cause analysis, and contribute to improving reliability and security across directory, email, and communications services. If you thrive in complex environments, enjoy simplifying operations through automation and documentation, and take pride in resolving high-impact issues—this role is a strong fit.


Key Responsibilities
  • Provide Tier-3 escalation support for identity, messaging, and collaboration platforms, managing incidents via ServiceNow

  • Administer, optimize, and support Active Directory, Azure AD, Exchange (on-prem and online), and Office 365 hybrid services

  • Support enterprise collaboration tools including Slack, Skype for Business, and Zoom

  • Perform advanced troubleshooting and root-cause analysis across directory, email, and communications services

  • Partner with engineering teams on upgrades, migrations, and new platform initiatives to modernize and improve stability

  • Coordinate with vendors to resolve complex platform issues, ensuring incidents are tracked through closure

  • Improve operational excellence by enhancing procedures, automation, and technical documentation

  • Identify and implement opportunities to improve performance, reliability, and security within identity and messaging systems

  • Participate in an on-call rotation supporting a 24x7 global environment


Required Qualifications
  • 5+ years of experience administering enterprise Active Directory, messaging, and collaboration platforms

  • Deep hands-on expertise with Microsoft Exchange (2010–2019) and Exchange Online

  • Strong knowledge of Office 365 and hybrid Microsoft environments

  • Experience managing Windows Server 2012–2019 infrastructure

  • Solid understanding of core networking services and protocols: DNS, DHCP, SMTP, TCP/IP

  • Familiarity with GitHub Enterprise and scripting and/or pattern matching (Regex)

  • Demonstrated ownership mindset with a strong focus on problem resolution and process improvement


Nice to Have (Preferred)
  • Experience supporting identity and messaging in large enterprise or global environments

  • Exposure to automation approaches (PowerShell or similar) and infrastructure modernization initiatives

  • Strong documentation habits and ability to translate complex issues into repeatable runbooks


Ready to make an impact? Apply now and join us on our journey!