Sr DAS Support Engineer

Black Box; Bengaluru; On-site; INR 1,400,000 - 1,900,000; Full time

Job summary

Black Box in Bengaluru seeks a skilled Technical Support and Reliability Engineer to provide Level 3 escalation for DAS and in-building wireless incidents across multiple platforms. You will diagnose RF and infrastructure faults, support private LTE/CBRS deployments, and own the incident lifecycle in ServiceNow.

Ideal candidates have DAS/RF engineering experience, ITIL familiarity, and the ability to coordinate with OEMs, carriers, and field teams, including post-incident RCA and reports.

Qualifications

• Hands-on DAS, RF engineering and multi-OEM experience.
• Experience diagnosing and recovering complex DAS faults.
• Familiarity with private LTE/CBRS deployments and enterprise use cases.

Responsibilities

• Provide Level 3 escalation support for DAS and in-building wireless incidents.
• Diagnose faults in RF, fiber, coaxial, hardware and software systems.
• Support private LTE/CBRS deployments, including OEM coordination.
• Own incident lifecycle in ServiceNow from triage to closure.
• Coordinate with OEMs, carriers and field teams during troubleshooting.
• Analyze alarms and health data to recommend corrective actions.
• Validate monitoring coverage and escalation readiness with teams.
• Produce root cause analyses and after-action reports.

Skills

DAS RF Engineering

Private LTE/CBRS

ITIL / Incident Management

Remote coordination

Vendor management

Education

Bachelor's degree in Electrical Engineering/Telecommunications

Tools

ServiceNow

iBwave

NetBox

Anritsu Site Master

Job description

Job Description

• Provide Level 3 escalation support for complex DAS and in-building wireless incidents across CommScope ION-E/ERA, Corning ONE, SOLiD ALLIANCE, JMA TEKO, and comparable platforms.
• Diagnose and resolve faults involving RF performance, fiber and coaxial infrastructure, system hardware, software, and management connectivity.
• Support and troubleshoot private LTE and CBRS deployments, including Celona, Ericsson, Nokia, and comparable platforms, whether standalone or integrated with DAS environments.
• Own the full incident lifecycle in ServiceNow, including triage, diagnosis, escalation, vendor engagement, service restoration, and documented closure within applicable SLAs.
• Lead technical coordination with OEMs and carriers for advanced troubleshooting, equipment replacement, software defects, and service-impacting issues.
• Analyze system alarms, health data, and recurring incidents to identify degradation and recommend corrective action before further service impact.
• Validate monitoring coverage, alarm delivery, alert routing, and escalation readiness with the monitoring and operations teams.
• Produce root cause analyses and after-action reports that document findings, corrective actions, and recommendations to prevent recurrence.

Job Description

Technical Support and Service Reliability

• Provide Level 3 escalation support for complex DAS and in-building wireless incidents across CommScope ION-E/ERA, Corning ONE, SOLiD ALLIANCE, JMA TEKO, and comparable platforms.
• Diagnose and resolve faults involving RF performance, fiber and coaxial infrastructure, system hardware, software, and management connectivity.
• Support and troubleshoot private LTE and CBRS deployments, including Celona, Ericsson, Nokia, and comparable platforms, whether standalone or integrated with DAS environments.
• Own the full incident lifecycle in ServiceNow, including triage, diagnosis, escalation, vendor engagement, service restoration, and documented closure within applicable SLAs.
• Lead technical coordination with OEMs and carriers for advanced troubleshooting, equipment replacement, software defects, and service-impacting issues.
• Analyze system alarms, health data, and recurring incidents to identify degradation and recommend corrective action before further service impact.
• Validate monitoring coverage, alarm delivery, alert routing, and escalation readiness with the monitoring and operations teams.
• Produce root cause analyses and after-action reports that document findings, corrective actions, and recommendations to prevent recurrence.

Planned Changes and Technical Coordination

• Prepare or review methods of procedure for firmware upgrades, configuration changes, and other planned maintenance. Address prerequisites, risk, configuration backups, rollback steps, and acceptance criteria.
• Execute approved maintenance activities within established change-control processes, including pre-change checks, post-change testing, and confirmation of service stability.
• Coordinate technical activities among remote engineers, field personnel, OEMs, carriers, and customer teams during troubleshooting, upgrades, and cutovers.
• Determine when onsite intervention is required, define the technical scope for dispatch, direct field troubleshooting remotely, and validate completed work.
• Coordinate customer acceptance testing and resolve technical findings before closing the change or maintenance activity.
• Provide technical leadership during commissioning, integration, and stabilization of new or modified DAS and private LTE/CBRS deployments.
• Maintain clear next actions for unresolved technical issues and dependencies through resolution or an accepted handoff.
• Participate in scheduled after-hours maintenance and the assigned support coverage rotation.

Documentation and Engineering Development

• Maintain accurate technical records for supported sites, including system configurations, equipment inventories, software versions, topology, and change history in designated systems such as NetBox and ServiceNow.
• Identify discrepancies in site and support records and coordinate corrections with the responsible teams.
• Develop and maintain troubleshooting procedures, runbooks, and technical handoffs that support consistent service delivery.
• Mentor engineers through case reviews, practical troubleshooting guidance, and structured knowledge transfer.
• Communicate service impact, technical findings, recovery actions, and outstanding dependencies clearly to customers and internal stakeholders, including hospital clinical and facilities teams.

Required Skills And Experience

DAS and RF Engineering

• Strong hands-on experience supporting multi-OEM DAS environments, including CommScope, Corning, SOLiD, JMA, and comparable platforms.
• Experience independently diagnosing and resolving complex DAS faults and coordinating technical recovery across multiple teams.
• Sound knowledge of DAS architectures, RF engineering principles, and LTE/5G technologies as applied to in-building wireless systems.
• Experience integrating and optimizing cellular and two-way radio services within neutral-host, multi-carrier DAS environments.
• Knowledge of cellular and two-way radio frequency bands and the technologies used within them.
• Ability to calculate and validate RF power allocation and sharing across supported DAS configurations within applicable OEM specifications and carrier requirements.
• Experience troubleshooting passive intermodulation (PIM) and interpreting RF test results.
• Experience using an Anritsu Site Master or equivalent RF diagnostic equipment.
• Working knowledge of fiber-optic and coaxial infrastructure troubleshooting.
• Proficiency reading and navigating iBwave design files to understand system topology, locate components, and support troubleshooting and basic design review.

Private LTE, CBRS, and Monitoring

• Experience supporting private LTE/CBRS solutions, including spectrum considerations, Spectrum Access System (SAS) interaction, and enterprise use cases.
• Working knowledge of DAS network management platforms, including Errigal and OEM management tools.
• Ability to troubleshoot IP connectivity used for DAS management and monitoring and coordinate resolution with network and security teams.
• Experience validating system health, alarm reporting, and monitoring integration.

Operational Practice

• Practical experience with ITIL-aligned incident, problem, and change management.
• Experience using ServiceNow for incident ownership, technical documentation, escalation, and closure.
• Ability to develop and execute maintenance procedures with defined risk controls, rollback steps, and verification criteria.
• Ability to produce clear, actionable root cause documentation.
• Experience directing technical work remotely and validating field results.

Professional Expectations

• Exercise sound technical judgment and remain calm and decisive during high-severity incidents.
• Work independently while coordinating effectively with engineering, operations, vendors, carriers, and customer teams.
• Communicate clearly with technical and nontechnical stakeholders.
• Maintain ownership of assigned technical issues and follow through on outstanding actions.
• Provide practical guidance that improves the capability and independence of other engineers.

Preferred Qualifications

• OEM certifications from CommScope, Corning, SOLiD, JMA, or equivalent vendors, or demonstrated equivalent experience and knowledge.
• CBRS or private LTE certifications from Celona, Ericsson, Nokia, or comparable providers.
• Experience supporting DAS in healthcare environments, with an understanding of clinical impact and maintenance constraints.
• Experience with structured cabling and field validation methods.

Education

Bachelor’s degree in Electrical Engineering, Telecommunications, or a related field preferred, or equivalent practical experience in DAS and wireless support.