Senior IT Systems Engineer
Andover, MA, 01810
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.
Job Description:
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.
- 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.
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