Platform & Infrastructure Engineer
Denver, United States · On-site · Full-time
- Posted 4w ago
- From LG Ad Solutions’s careers page
- Location
- Denver, United States
- Work mode
- On-site
- Type
- Full-time
- Experience
- 3+ years
- Department
- Engineering
Opens the listing on jobs.ashbyhq.com
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About the role
The Opportunity
We're growing our infrastructure team in Denver and looking for an engineer who has gotten their hands dirty with both physical infrastructure and cloud environments — someone who's moved past tutorials and has real scars from production systems. You don't need to have all the answers yet, but you should be able to own a task end-to-end, ask good questions, and learn fast in a hybrid environment that spans data centers and AWS.
You'll work alongside senior engineers on a team that's actively building out our on-premises layer — provisioning servers, managing network infrastructure, extending our IaC practices, and keeping everything running reliably. This is a role where you'll be doing real work from day one, with mentorship and context from engineers who've built these systems before.
A note on what we're not looking for:
This role isn't for someone who's only worked in fully managed cloud environments and wants to stay there. The on-prem side of this team is real and growing — if physical infrastructure sounds boring or intimidating, this probably isn't the right fit. If it sounds interesting and you want to learn it properly, we'd love to talk.
Responsibilities
Hybrid Infrastructure
- Assist with deployment and maintenance of on-premises compute, storage, and networking infrastructure alongside our AWS environment
- Participate in bare metal server provisioning and OS deployment workflows
- Support day-to-day network operations: troubleshoot connectivity issues, help maintain firewall rules, VLANs, and VPN configurations under senior guidance
- Help maintain and document storage systems and cloud connectivity configurations
Automation & Platform Support
- Write and maintain Infrastructure as Code using Terraform and Ansible for both on-prem and cloud resources
- Support CI/CD pipeline maintenance and help onboard teams to existing platform tooling
- Assist with Kubernetes cluster operations — deployments, troubleshooting, resource management — across bare metal and EKS environments
- Contribute automation scripts and tooling improvements in Python or Bash
Security & Reliability
- Follow established security standards for on-prem and cloud: help maintain RBAC configurations, apply patches, and support access management processes
- Participate in on-call rotation with support from senior engineers; help investigate and resolve infrastructure incidents
- Contribute to monitoring dashboards and alert configuration across hybrid environments
Collaboration
- Work closely with senior engineers and application teams to understand infrastructure needs and translate them into tickets and tasks
- Keep runbooks, wikis, and operational documentation current as you learn systems
- Flag issues, ambiguities, and potential improvements — your observations from ground-level operations matter
Requirements
- 3–5 years of experience in infrastructure, DevOps, platform engineering, systems administration, or a related role
- At least one full-time industry role beyond your first job (internships and co-ops count toward the foundation, but we're looking for professional experience in a production environment)
- Comfortable with Linux system administration: file systems, networking, process management, bash scripting
- Hands-on experience with at least one IaC tool — Terraform or Ansible preferred
- Working knowledge of AWS fundamentals: EC2, VPC, IAM, S3, and basic networking concepts
- Basic networking understanding: IP addressing, DNS, VLANs, firewalls — you don't need to configure BGP from scratch, but you should be able to troubleshoot a connectivity issue
- Experience with or exposure to Kubernetes — doesn't need to be bare metal, but you should understand the basics of pods, deployments, and services
- Scripting ability in Python or Bash for automation tasks
Nice to Have
- Any exposure to physical infrastructure: data center work, homelab, or on-prem environments in a professional setting
- Familiarity with configuration management tools (Ansible, Salt, or similar)
- AWS certification (any level) or in-progress certification
- Experience with observability tooling: Prometheus, Grafana, Datadog, or ELK
Skills they ask for
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About LG Ad Solutions
Advanced TV and cross-device advertisingLG Ad Solutions provides connected television and cross-device advertising technology, using TV data and media placements to reach audiences.
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In your inbox every Wednesday and SaturdayPersonalised suggestions from verified career pages, matched to your role, location, level and skills.