Systems Engineer III

Systems Engineer III

Englewood, CO

Hybrid (4 days onsite / 1 day remote)

$40–$45/hour W2 (Long-term contract)

Join a Fortune 500 telecom client as a Systems Engineer III within the Enterprise Applications & Systems Engineering team, supporting a large-scale enterprise lab environment. This hands-on, generalist position is ideal for an engineer with strong Linux systems administration, practical DNS/IPAM experience, and automation/scripting skills. The team manages 14 third-party enterprise applications—including IPAM/DNS, monitoring, and traffic-generation platforms—serving over 60 teams and 800+ users.

You’ll split your time between project work and application support, with a strong emphasis on ownership, urgency, and proactive communication. You’ll collaborate closely with a small, high-performing team, cross-functional partners, and third-party vendors to ensure the reliability, security, and documentation of critical lab infrastructure.

• Administer and maintain Linux environments and services supporting enterprise applications
• Support and troubleshoot DNS and IPAM-related services to ensure reliable operations
• Develop, write, and improve automation scripts for operational and bulk tasks (preferably in Python, but Bash, Power Shell, or other scripting languages are welcome)
• Troubleshoot user access issues, failed automation, application problems, and infrastructure incidents
• Collaborate with third-party vendors to enable features, resolve issues, and support application lifecycle needs
• Own assigned projects and deadlines, proactively follow up on dependencies, and communicate status without waiting for direction
• Document procedures, runbooks, configurations, and operational processes
• Follow security and access-control practices, including RBAC, while collaborating across teams
• Work cross-functionally with systems, network engineering, application teams, and lab partners
• Contribute to a reliable, secure, and well-documented large-scale lab environment

• 3+ years of hands-on systems administration or systems engineering experience, with strong Linux administration skills
• Working, hands-on knowledge of DNS and experience troubleshooting DNS-related issues
• Automation/scripting experience (Python preferred; Bash, Power Shell, or other relevant scripting languages considered)
• Strong troubleshooting and problem-solving skills across systems and applications
• Demonstrated ability to manage deadlines, take ownership of work, and communicate proactively
• Strong written and verbal communication skills; ability to collaborate effectively across teams
• Experience leading projects or owning technical deliverables with tight deadlines (preferred)
• Experience supporting third-party enterprise applications and working directly with vendors (preferred)
• Experience in a large corporate, lab, data-center, or enterprise infrastructure environment (preferred)
• Exposure to tools/platforms such as Infoblox, Net Box, PowerDNS, Zabbix, Grafana, Jira, Git, or CI/CD concepts (preferred)
• API-based automation or integration experience (preferred)

• Opportunity to work in a collaborative, high-impact team supporting critical enterprise infrastructure
• Long-term W2 contract with potential for renewal
• Competitive medical, dental, vision, HSA, and supplemental coverage options
• 401(k) plan with company match and full vesting after eligibility
• Paid time off, sick time, and company holidays (subject to eligibility)
• Employee Assistance Program (EAP) with virtual counseling, financial/legal services, life coaching, and more
• Engage in meaningful, hands-on work with opportunities for ownership and professional growth

• Round 1: 15-minute video interview with the hiring manager (team…