Job Title:

Senior Principal, Information Systems Engineer Location-Type:

Hybrid (3x week) -

Andover, MA Start Date Is:

ASAP Duration:

6 months contract

Compensation Range:

$75-$80/hour W2

Benefits:

Eligible for Health, Dental, Vision, 401K Must be authorized to work in the U.S. This position is not eligible for sponsorship . Senior-level infrastructure and network engineering role responsible for hands-on ownership, troubleshooting, maintenance, and modernization of critical Microsoft, networking, server, virtualization, storage, identity, and enterprise communication systems supporting approximately 2,000 users.

Job Summary:

Manage and troubleshoot network infrastructure, including switches, routers, firewalls, connectivity, and F5 technologies. Administer Microsoft environments, including Active Directory, Entra/Azure Identity, ADFS, Group Policy, and related identity systems. Install, configure, rack, and maintain physical servers and infrastructure hardware. Manage on-premises and cloud virtualization environments. Manage SAN, NAS, and cloud storage environments. Manage DNS, PKI, and certificate infrastructure. Support Microsoft Teams, enterprise voice, conference rooms, and teleconferencing systems. Troubleshoot complex hardware, software, server, and network issues. Lead infrastructure upgrades, modernization initiatives, and new technology deployments. Participate in daily team collaboration and ticket-based support activities. Maintain infrastructure documentation and support secure, reliable IT operations.

Required Qualifications:

5-7 years of related infrastructure/network engineering experience preferred for the Senior level. Expert Microsoft infrastructure and administration experience. Strong Active Directory, Entra/Azure Identity, ADFS, and Group Policy experience. Strong networking infrastructure experience, including firewalls, F5, routers, switches, TCP/IP, and enterprise connectivity. Experience with virtualization across on-premises and cloud environments. Experience with DNS, PKI, and certificate management. Experience managing physical servers and backend server infrastructure. Experience with SAN, NAS, and cloud storage technologies. Experience supporting enterprise voice, Microsoft Teams, conference rooms, and teleconferencing. Ability to independently troubleshoot complex infrastructure issues and lead technical projects. Ability to work hands-on in a hybrid environment and support approximately 2,000 users. Ability to obtain a government security clearance.

Preferred Qualifications:

Cisco certifications such as CCNA, CCNP, or CCIE. Check Point firewall experience. Juniper remote-access experience. NAC or ForeScout CounterAct experience. MPLS, VoIP, data-center networking, and network mapping experience. Aerospace or defense industry experience. Experience incorporating AI technologies into secure infrastructure environments. Experience mentoring engineers or leading cross-site infrastructure initiatives.