Senior IT Engineer - Office Network

We are seeking a seasoned Senior IT Engineer to oversee and optimize our core IT infrastructure. In this role, you will be the backbone of our technical operations, ensuring that our network infrastructure, Hyper-V virtualization clusters, and AWS cloud environment are stable and secure. You aren't just maintaining systems; you are architecting the reliability of our entire business.

Key Responsibilities

Network Engineering

• Network Architecture: Configure and troubleshoot Cisco switches (Catalyst/Nexus), routers, and ASA/Firepower firewalls.


• Wireless Infrastructure: Manage the full lifecycle of Cisco Meraki Wi-Fi solutions, including SSID configuration, RF optimization, and secure guest access via the Meraki Dashboard.


• Connectivity & Routing: Maintain robust LAN/WAN connectivity, including SD-WAN, Site-to-Site VPN tunnels, and BGP/OSPF routing protocols.

Server & Cloud Infrastructure

• Infrastructure Management: Design, deploy, and manage high-availability server environments using Microsoft Hyper-V (Failover Clustering) and AWS (EC2, VPC, S3).


• Server Administration: Provide expert-level support for Windows Server (2016/2025) and Ubuntu Linux.


• Core Services: Manage and optimize critical network services including DNS (internal/external), DHCP scopes, and Active Directory/LDAP.


• Cloud Integration: Bridge the gap between on-premise hardware and AWS, implementing hybrid-cloud best practices and cost-optimization strategies.


• Data Center: Experience with data center cabling and capacity planning

Technical Requirements

• Networking: Cisco Networking (Routing, Switching, Firewalls) and Cisco Meraki (Wireless, SD-WAN)


• Virtualization: Microsoft Hyper-V (Failover Clustering, Virtual Switches)


• Cloud: AWS (knowledge of other cloud providers is a plus)


• Operating Systems: Windows Server (AD, GPO) and Linux (SSH, Bash scripting)


• Core Services: DNS, DHCP, IP Management

Soft Skills & Leadership

• Crisis Management: Ability to remain calm and methodical during critical system outages or security incidents.


• Mentorship: Commitment to leveling up junior team members by sharing knowledge and documenting complex processes.


• Strategic Planning: Capacity to identify long-term infrastructure trends and technical debt.

Qualifications

• Experience: 5+ years in IT Operations or System Administration, with at least 2 years in a senior-level capacity.


• Education: Diploma in Computer Science or Information Technology related disciplines, or equivalent.

Considered a plus

• Certifications: Cisco CCNP/CCNA, AWS Solutions Architect, or other equivalent certifications.


• Advanced English: Ability to communicate with team members and partners who don’t speak Portuguese.

About Wildlife

Wildlife is one of the leading mobile game developers and publishers in the world. We have released more than 60 titles, reaching billions of people around the globe. Today, we have offices in Brazil, Finland, and the United States. Here, we create games that will be treasured by billions of players around the world!

Equal Opportunity & Affirmative Action

Wildlife is proud to be an Equal Opportunity and Affirmative Action employer. We do not discriminate based on race, color, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, neurodiversity, age, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state, and local law.

We're committed to providing reasonable accommodations for candidates with disabilities in our recruiting process.