Senior Mainframe & Infrastructure Support Engineer

Job Title: Senior Mainframe & Infrastructure Support Engineer

Location: DMV Area (Hybrid/On-site)

About the Opportunity:

Are you a Mainframe expert with a passion for keeping enterprise systems running like clockwork? We're seeking a Senior Mainframe & Infrastructure Support Engineer to join our 24x7 Data Center Operations team. In this high-impact role, you'll provide Tier 1 production support, manage job scheduling, and monitor both Mainframe and distributed systems (Linux, AIX, Windows). Ideal candidates thrive under pressure, are open to rotational shifts (day or night), and bring a proactive, detail-oriented mindset to every shift.

Key Responsibilities:

Tier 1 Production Support

• Provide first-level troubleshooting and real-time monitoring for critical enterprise systems
• Respond to system alerts and application issues promptly to minimize downtime
• Escalate incidents as needed and initiate HealthCheck or incident calls for resolution

Mainframe Job Scheduling & Monitoring

• Create, modify, and troubleshoot mainframe jobs using CA7 and JCL
• Perform job restarts, corrections, and monitor queue status for job flows
• Ensure smooth scheduling operations across Windows, UNIX, and Mainframe platforms

Distributed Systems Support

• Support and monitor Linux, AIX, and Windows server environments
• Troubleshoot basic server issues and coordinate with Level 2 teams or vendors
• Assist with upgrades, patches, and DR simulations as required

Shift Operations & Documentation

• Work rotational shifts (day or night); serve as Shift Lead backup when needed
• Maintain detailed shift logs, update operations documentation, and contribute to audit readiness
• Support compliance with IT policies, SLAs, and security protocols

What You ll Bring:

Education & Experience

• Bachelor s degree in Computer Science, IT, or related field
• (Or 4 additional years of relevant experience in lieu of degree)
• 5 years in enterprise IT operations with Mainframe support experience

Technical Expertise

• Hands-on experience with CA7, JCL, ISPF, DB2 Basics, TSO, and Mainframe monitoring tools
• Familiarity with Java applications, Linux/AIX server environments
• Understanding of FTP, NDM, HMC, DFSMS, REXX, and SAN concepts
• Basic knowledge of job automation, system diagnostics, and cross-platform scheduling

Key Skills

• Strong communication and teamwork skills, especially under pressure
• Flexible and open to rotational shifts, including night/weekend support
• Solid analytical and troubleshooting skills with a customer-first attitude