Senior Associate - Network Operations

Senior Associate - Network Operations

Posted: 10 December 2025
Location: Arlington County, Arlington, VA
Job Type: Permanent

As a critical member of the Network Operations Center (NOC), you will ensure the reliability, performance, and observability of enterprise IT services across IBM mainframe (z/OS), distributed systems (Windows, Linux), and hybrid environments. This role focuses on proactive monitoring, rapid incident response, and coordination of resources during major outages. You will administer enterprise scheduling (Control-M), network and application monitoring tools (PRTG), and collaborate with IT teams and vendors to maintain service excellence.

Acting as a trusted technical associate, you will own incidents and tasks from initiation through resolution while delivering clear and timely communications.

Provide first-level operational support and observability for hardware, software, network systems, and critical applications in a multi-platform environment. Monitor and maintain production services using modern automation and monitoring tools. Respond to incidents and coordinate major incident management activities, including on-call and vendor engagement. Ensure timely communication to stakeholders during outages and maintain accurate documentation. Administer enterprise scheduling and network monitoring platforms, ensuring optimal performance and compliance with service-level agreements.

Drive continuous improvement in monitoring, automation, and incident response processes by adopting emerging technologies and best practices.

• Administer and optimize PRTG and other monitoring tools for infrastructure and application observability.
• Create and maintain alerts, dashboards, and reports to proactively detect performance issues.
• Evaluate and recommend enhancements to monitoring strategies and tools.

• Act as first responder for system and application incidents, performing initial troubleshooting and triage.
• Coordinate major incident response, including engaging on-call teams and vendor resources.
• Provide timely and accurate IT communications during outages and service disruptions.
• Document incidents, root cause analysis, and resolution steps for knowledge sharing.

• Administer Control-M workload automation across mainframe and distributed platforms.
• Migrate jobs and processes from test to production environments.
• Troubleshoot and resolve scheduling conflicts and automation issues.
• Maintain detailed documentation of production schedules and processes.

• Monitor IBM z/OS mainframe and distributed systems for performance and availability.
• Perform system health checks, capacity analysis, and apply patches.
• Assist with hardware/software maintenance and vendor coordination.

• Implement new technologies and processes to enhance monitoring, automation, and incident response.
• Train peers on observability tools and best practices.
• Stay current on emerging trends in IT operations and monitoring.

• Education: Technical diploma/certificate or equivalent experience.
• Experience:
  • 2+ years in IT operations or NOC environment.
  • Hands‑on experience with IBM mainframe (z/OS), Control‑M, and PRTG.
  • Familiarity with Windows, Linux, and hybrid cloud environments.
• Skills:
  • Strong troubleshooting and analytical skills.
  • Knowledge of application monitoring and observability principles.
  • Excellent communication skills for incident updates and stakeholder engagement.
  • Ability to work independently and in a team environment.

• IBM z/OS Fundamentals
• BMC Control‑M Certified Associate
• Network/Application Monitoring Certification (e.g., PRTG)

Dexian is an Equal Opportunity Employer that recruits and hires qualified candidates without regard to race, religion, sex, sexual orientation, gender identity, age, national origin, ancestry, citizenship, disability, or veteran status.