Senior Systems Engineer

Arctiq is recruiting a Senior Systems Engineer for an unnamed client. The role leads engineering, administration, and ongoing improvement of the client’s enterprise systems and compute environment, focusing on reliability, security, performance, and modernization.

Responsibilities:

• Design, implement, and manage the foundational systems: Exchange, physical and virtual servers, Active Directory and Group Policy, Certificate Services, authentication platforms, and the compute, networking, storage, and remote access/mobility services that go with them
• Provide administration and support for cloud-based platforms and services, including Microsoft Azure and Office 365
• Oversee and administer Citrix VDI, load balancers, and SSL certificate management
• Track, maintain, and fine-tune system performance so the environment stays reliable, scalable, and secure
• Handle routine, scheduled, and long-term maintenance as well as user-facing service work, keeping operational standards consistently high
• Act as the expert-level escalation contact for difficult technical problems
• Write and keep current detailed technical documentation covering processes, procedures, troubleshooting guides, training materials, and change management records
• Share in the on-call rotation, covering after-hours support as required
• Be ready for occasional overtime, off-hours work, or travel when projects and operations call for it. Make sure integrations are secure, efficient, and in line with enterprise architecture and governance standards
• Put security best practices into action and help meet relevant security protocols and regulatory requirements, in partnership with the Information Security, Applications, and Infrastructure teams
• Work alongside appropriate cross-functional technology teams on risk assessments and on strategies to lower exposure to security vulnerabilities
• Keep records of data flows, API endpoints, schemas, and integration logic
• Help evaluate, select, implement, and improve integration platforms
• Back efforts to ensure data quality, integrity, and reconciliation between systems

Requirements:

• Candidates must be able to work permanent for any US employer
• 10+ years as a Systems Engineer, with Microsoft Server experience in enterprise settings
• 10+ years of designing, building, securing, and managing virtualized environments on the VMware stack (ESXi, vCenter)
• Hands-on experience building and securing Hyperconverged Infrastructure (Nutanix, Dell VxRail, HPE)
• Experience managing and administering Citrix VDI, load balancers, and SSL certificate management
• Experience with mail and messaging services in Exchange Online
• Experience working with Microsoft Azure and Entra ID
• Familiarity with enterprise storage across block (SCSI/NVMe), file (CIFS/NFS), and object (S3) types
• Experience with enterprise backup and recovery platforms (Rubrik, Cohesity, Veeam)
• Proven capability to run enterprise-wide systems and compute infrastructure while juggling several infrastructure components at the same time
• Expert command of Microsoft Windows enterprise environments, including Active Directory, M365, and PKI design, support, and administration
• Advanced understanding of VMware, Windows Server, TCP/IP, DNS, and related protocols
• Strong grasp of network design and management (LAN/WAN, MPLS, VPN, VLAN, Wi-Fi)
• Solid working knowledge of encryption technologies, along with cybersecurity risk reduction and system hardening practices
• Advanced PowerShell scripting ability for system utilities, automation, and administration
• Skilled with monitoring platforms (SolarWinds, LogicMonitor, Splunk, Aria)
• a bachelor's degree in computer science, computer information systems, or a related discipline
• an advanced degree