Sr Infrastructure Engineer ITIF

Position: Sr Infrastructure Engineer ITIF01

Sr Infrastructure Engineer ITIF
01 at Sentinel® Offender Services

Job Summary

We are seeking an experienced Senior Infrastructure Engineer to manage and maintain our diverse technology infrastructure across corporate IT systems, Office 365, datacenter infrastructure, and Oracle Cloud Infrastructure (OCI) environments.

Pay

$135,000/yr

Schedule

TBD

Essential Functions

• Ensure seamless integration between cloud, datacenter, and corporate environments
• Implement and maintain hybrid connectivity solutions (VPN, Fast Connect, etc.)
• Establish consistent security policies across all infrastructure domains
• Develop and maintain comprehensive documentation for all systems
• Participate in on‑call rotation for critical infrastructure support
• Collaborate with development teams to support SaaS application infrastructure requirements
• Conduct regular security audits and vulnerability assessments
• Manage vendor relationships and support contracts
• Own preparation of infrastructure and security documentation, ensuring timely and accurate responses to RFPs and other business requests.

Datacenter Systems Administration

• Manage physical and virtual servers in on‑premises datacenter
• Maintain VMware vSphere, Hyper‑V or other virtualization platforms
• Administer storage systems including SAN/NAS
• Monitor and maintain datacenter networking equipment
• Perform regular system updates, patches, and firmware upgrades
• Implement and maintain backup and recovery procedures
• Manage datacenter environmental monitoring and capacity planning

Corporate Infrastructure Administration

• Administer Active Directory domain controllers, group policies and user management
• Manage corporate network infrastructure including switches, routers and firewalls
• Implement and maintain network security measures including VPNs, firewall rules and intrusion detection
• Configure and support corporate Wi‑Fi infrastructure and guest access
• Manage DNS, DHCP and other core network services
• Administer endpoint management and security solutions
• Support corporate email, collaboration tools and productivity applications

Cloud Infrastructure Management (OCI & AWS)

• Administer and optimize infrastructure for SaaS platform hosted on OCI and AWS
• Manage OCI & AWS compute instances, storage, networking, and database services
• Monitor cloud resource utilization and implement cost‑optimization strategies
• Configure and maintain OCI & AWS security features including IAM, security lists and network security groups
• Implement backup, disaster recovery and business continuity solutions
• Automate cloud operations using OCI CLI, Terraform or other IaC tools
• Troubleshoot performance issues and optimize application delivery

Requirements

• 5+ years of experience in essential functions or equivalent

Desired Experience and Technical Competencies

• VMware Administration
• Fortinet Administration
• Linux Administration
• Windows Server Administration
• Microsoft 365 Administration
• OCI Administration
• AWS Administration
• VPN Administration
• IPsec Administration
• Business Continuity (Backups & Disaster Recovery)
• Veeam Backup & Replication Administration

Job Expectations

• Problem Solving – Identify and resolve issues promptly
• Customer Service – Manage difficult customer situations and respond promptly
• Quality Management – Promote quality and demonstrate accuracy
• Teamwork – Balance team and individual responsibilities
• Ethics – Act with integrity and uphold organizational values
• Judgment – Support and explain decision‑making
• Professionalism – Maintain tactful interactions and follow commitments
• Adaptability – Handle changing work environment and demands
• Dependability – Take responsibility and keep commitments
• Innovation – Generate suggestions and develop innovative approaches

Equipment Used

• Desktop or laptop computer and smartphone

Physical Requirements + Work Environment

• Employee must sit and talk or hear, use hands for keyboard, occasionally stand, walk and lift up to 25 lbs. Vision required for close and distance tasks.
• Work environment includes typical office setting; reasonable accommodations provided to employees with disabilities.

Equal Opportunity Statement

Sentinel Offender Services is an Equal Opportunity Employer that does not discriminate on the basis of race, color, creed, religion, national origin, ancestry, citizenship status, age, sex or gender (including pregnancy, childbirth and pregnancy‑related conditions), gender identity or expression, sexual orientation, marital status, military service and veteran status, physical or mental disability, genetic information, or any other characteristic protected by applicable federal, state or local laws and ordinances.

Sentinel Offender Services management team is dedicated to this policy with respect to recruitment, hiring, placement, promotion, transfer, training, compensation, benefits, employee activities, access to facilities and programs and general treatment during employment.

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Information Technology

Industries

Public Safety

#J-18808-Ljbffr