Tier 3 Infrastructure Engineer
Top Prospect Group
Hybrid Work to Start ---> Remote / 90-95k / Hartford County, CT We are seeking a highly skilled Tier 3 Infrastructure Engineer to support, maintain, and enhance our enterprise IT infrastructure. This role requires deep expertise in Windows servers and related applications, as well as strong hands-on experience with networking technologies including switches, firewalls, and routing. The Tier 3 Engineer will serve as an escalation point for complex issues, lead infrastructure projects, and ensure the stability, security, and scalability of systems across the organization. Responsibilities Provide Tier 3 support for Windows servers, Active Directory, Exchange, and related applications. Configure, monitor, and maintain core infrastructure components, including networking switches, routers, and firewalls. Troubleshoot and resolve escalated system, server, and networking issues to minimize downtime. Perform system upgrades, patching, and migrations while ensuring minimal business disruption. Collaborate with Tier 1 and Tier 2 teams to provide mentorship and knowledge transfer. Implement and enforce security best practices, monitoring systems for vulnerabilities and threats. Manage backups, disaster recovery, and business continuity planning for critical infrastructure. Document infrastructure configurations, processes, and troubleshooting procedures. Participate in on-call rotation for critical incidents as required. Qualifications Proven experience as a Tier 3 Infrastructure Engineer, Systems Engineer, or similar role. Strong expertise in Windows Server environments, Active Directory, and related enterprise applications. Hands-on experience with networking hardware (switches, routers, firewalls) and protocols (TCP/IP, DNS, DHCP, VPN). Knowledge of virtualization platforms (VMware, Hyper-V) and cloud services (Azure, AWS) is a plus. Familiarity with security frameworks and compliance standards. Excellent problem-solving and communication skills. Relevant certifications such as Microsoft (MCSA/MCSE), Cisco (CCNA/CCNP), or CompTIA Security+ are highly desirable. #J-18808-Ljbffr Top Prospect Group
$84k - $94k
Top Prospect Group is seeking a Tier 3 Engineer in Connecticut to lead complex infrastructure projects and mentor junior team members. This role, starting as hybrid, involves cloud migrations, managing Microsoft 365 and on-premises environments, and overseeing network security...SuggestedRemote job- ...Provides leadership and oversight for the Engineering team responsible for designing and... ...enforce standards, and implement reliable infrastructure solutions. Leads development efforts for... ...combination of education and relevant experience 3‑5 years' leadership experience...Suggested
$90k - $100k
...availability and operational excellence. We are seeking a Network Engineer to join our Financial Markets Network Engineering team. This role... ...‑markets networks Configure and troubleshoot Layer‑2 and Layer‑3 network services Assist with BGP, OSPF, and IS‑IS routing...Suggested$90k - $100k
Transaction Network Services (TNS) seeks a skilled Network Engineer to support real-time trading and market data connectivity. The ideal candidate has 3+ years of experience with IP networks, knowledge of Cisco, Juniper, and Arista platforms, and the ability to troubleshoot...Suggested- ...product execution, partnering deeply with Engineering, Sales, Alliances, and CSPs. This... ...Sales Engineering Bridge: Act as the "Level 3" support for global field teams on complex... ...HPE (e.g. defining "Backup-as-a-Service" tiers using Zerto). Experience & Skills Professional...SuggestedWork experience placementWork at office2 days per week
- ...of Administrative Services (DAS), Bureau of Information Technology Solutions (BITS) is hiring an Azure Solutions Engineer (Information Technology Analyst 3) to support the Office of Early Childhood (OEC) in Hartford, CT. Position Highlights Full time, 40 hours per week...Full timeWork at officeRemote workMonday to Friday
$144.2k - $288.4k
...community at a time. Position Summary The Principal Network Engineer - AI Infrastructure plays a key role in building the high‑performance network... ...operating large‑scale data center networks, including Layer 2/3 architectures (leaf‑spine/Clos), EVPN/VXLAN overlays, and high...Hourly payFull timeTemporary workLocal areaImmediate startRemote work$150k - $250k
...offices or yours. Job Summary The Solutions Engineer - Google AI collaborates with account and... ...Role Description Achieve and maintain a Tier 1 Google Partner Delivery Readiness... ...Degree or relevant work experience required 3-5 years of experience in a similar role...Work experience placementWork at officeFlexible hours$110k - $140k
...We are seeking a highly skilled Network Engineer to join our Managed Service Provider (MSP... ..., and managing complex network infrastructures with a particular focus on Palo Alto firewalls... ...ability to configure and troubleshoot Layer 2/3 switches, routers, wireless controllers...Remote workFlexible hoursAfternoon shiftSHI GmbH
Hartford, CT2 days ago$83.43k - $222.48k
...at a time. Position Summary The Senior Content Delivery Network Engineer is responsible for the design, implementation, optimization, and... ...implementation and configuration across enterprise distributed systems. 3+ years of experience with CDN platforms such as Akamai,...Hourly payFull timeTemporary workLocal areaNight shift$94.15k - $150k
..., threat prevention, URL filtering, and decryption Engineer and support Cisco routing and switching infrastructure across LAN/WAN environments Design and maintain secure... ...) 5 years of IT or network security experience 3 years of hands-on experience with firewall and security...Full timeFlexible hours- ...provider in Connecticut seeks a Global Solutions Engineer. This role involves collaborating with account teams to design tailored infrastructure solutions for customers. Responsibilities... ...'s Degree or relevant experience, with 3-5 years in a similar role and strong knowledge...
$46 - $50.44 per hour
...continuity planning, testing, and response) Define and document best practices and support procedures Provide after-hours support for infrastructure related emergencies as well as occasional weekend maintenance Assist with hardware and software vendor evaluation,...Local areaSPECTRAFORCE
Hartford, CT19 hours ago$169.4k - $279.6k
...way for best-in-class solutions. We are seeking an AVP, Software Engineering within the Engineering Solutions organization to drive... ...experience. ~8 additional years of software engineering experience. ~3 years of technical leadership experience. What Is in It for...Work experience placementLocal areaTHE TRAVELERS INDEMNITY COMPANY
Hartford, CT4 days ago$130k
...secure cloud service delivery. Partner with engineering and operations teams to support testing... ..., and lifecycle management of cloud infrastructure. Proven ability to support incident response... ...IT infrastructure, with at least 3 years in a leadership or lead role. Preferred...Contract work$137.2k - $205.8k
Sr Cloud Engineer - IE07NE We’re determined to make a difference and are proud to be an insurance... ..., IL, Hartford, CT or Charlotte, NC) 3 days a week (Tuesday through Thursday).... .... Contribute to CI/CD pipelines and infrastructure‑as‑code. Author and maintain technical...Temporary workWork at office3 days per week- Infosys is seeking a Package Consultant 3 in Hartford, Connecticut. This role involves analyzing and optimizing business processes, developing solution architecture, and leading data migration strategies in Oracle Cloud. The ideal candidate will have ERP systems expertise...
- ...primarily on managing and optimizing our on-premise enterprise network infrastructure, with growing responsibilities in cloud integration and automation. You'll collaborate with a talented team of network engineers both onsite and remotely to ensure the reliability, security,...Remote work
Insurance
Hartford, CT4 days ago - ...technical professionals, analysts, and engineers to build and optimize solutions, ensuring... ...assigned or requested. Experience Required 3 years of experience in one or many of... ...managing software applications using Infrastructure‑as‑Code (IaC) techniques and tools including...Casual workWork at officeLocal areaRemote work
- Insight Global is seeking a GKE Kubernetes Engineer to support a large-scale AI-Powered health platform. This fully remote role involves designing... ...should have 7+ years of Kubernetes engineering experience and 3-4 years specifically with GKE. The ideal candidate will have...Remote job
- ...certifications (e.g., Google Cloud Professional Data Engineer) are a plus. • Proficiency in SQL and... ...offers consulting, outsourcing, cloud infrastructure, program management, and software... ...Hartford, CT $106,300.00-$175,400.00 3 days ago Bristol, CT $136,038.00-$191,1...Full timeRemote workRelocation
$116.4k - $204.1k
...’re looking for a Lead Product Software Engineer - Cloud Operations to join I nnovateHub... ...portfolio. In this role you’ll own the infrastructure foundations that power our AI products:... ...development workflow Technical Project Leadership 3+ years leading infrastructure or...Work at officeWolters Kluwer
Hartford, CT18 hours ago$105k - $145k
NBCUniversal is seeking a Software Engineer to join their Content Delivery Engineering team. This role involves developing software systems... ...requires a Bachelor's degree in Computer Science, with a minimum of 3 years of development experience. It offers a hybrid work model,...Work at office- ...Purchasing, Supply Chain Planning Must have implementation experience in Oracle EBS and Oracle cloud Required to have at least 2 or 3 full life cycle implementation experience in Oracle SCM modules (Inventory, Order Management, Purchasing, Supply Chain Planning) Led...Temporary workRelocation
- ...solve real-world challenges through cutting-edge Oracle solutions. Responsibilities In the assigned Job Role of Package Project Lead 3, your Area Of Responsibility will be as below: Facilitate cross-functional collaboration and data-driven decision-making to ensure cohesive...Full timeTemporary workRelocation
- Highmark Health is seeking a Senior Cloud Engineer located in Hartford, Connecticut. The ideal candidate will have a strong background in cloud technology, with at least 5 years of experience in technical problem solving and solution implementation. Responsibilities include...Remote job
- ...superior financial and operational performance in the most recent fiscal year. We have an exciting career opportunity for a Network Engineer to join our Technology Advisory team. This position is a hybrid position. Hybrid team members alternate between working remotely...Work at officeLocal areaRemote work
- ...expected Salary CBTS is seeking a highly skilled Senior Network Engineer on behalf of an Enterprise client undergoing a significant... ...client is actively replacing their existing Sophos firewall infrastructure with Palo Alto High Availability (HA) firewalls across the enterprise...Hourly payPermanent employmentFull timeContract workLive inLocal areaImmediate startRelocationShift work
- ...business platforms include: U.S. based Talcott Resolution and Bermuda and Cayman based Talcott Re. Overview The Senior Infrastructure Network Engineer is responsible for designing, implementing, and maintaining secure, high‑performing network infrastructure. This role...Full timeCasual workWork at officeAfternoon shift
- Job Description Our client is interested in hiring a Sr. Network Engineer who can use CISCO, Security, and Cisco ASA. Location: Bloomfield... ...with Juniper or Cisco ASA. Engineering experience providing level‑3 support and documenting Network Security tool‑sets. The primary...Remote workWeekend work
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