> Markdown version of [/jobs/ext/4707455-advanced-application-support-specialist](https://www.wearedevelopers.com/jobs/ext/4707455-advanced-application-support-specialist). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Advanced Application Support Specialist

- **Company:** TANTALUS SYSTEMS CORP
- **Location:** United States (Remote available)
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** LTE (Telecommunication), Bash Shell, Linux, Firmware, Supervisory Control and Data Acquisition (SCADA), IP Addressing, Virtual Private Networks (VPN), Python (Programming Language), Network Security, Modbus, Network Diagrams, Routing, Packet Analyzer, Remote Access Technology, Signal Processing, SQL Databases, Virtual Local Area Networks, Scripting, Firewalls (Computer Science), Citect SCADA Software, Operational Systems
- **Published:** November 13, 2026
- **Apply:** https://startup.jobs/advanced-application-support-specialist-tantalus-10757182

## About the Role

* Associate's or bachelor's degree in a technical field, or equivalent experience.
 * 3+ years of networking and security experience in corporate, utility, or OT networks.
 * 3+ years of field implementation, commissioning, or technical support experience in the utility or energy sector.
 * Hands-on experience with SCADA, RTUs, PLCs, or IEDs.
 * Working knowledge of DNP3 and Modbus.
 * Working knowledge of SQL.
 * Valid driver's license.

Preferred Qualification

 * Experience with IEEE 2030.5 and IEC 61850.
 * Experience with AMI, RF mesh, or LTE networks.
 * Experience with Linux and scripting in Bash or Python.
 * Network+, Security+, CCNA, or GICSP certification

Personal Attributes Required

 * Strong troubleshooting skills.
 * Clear communication with customers and internal teams.
 * Self-motivated, with the ability to work independently in the field.

## Description

* Configure device networking, including IP addressing, VLANs, routing, firewalls, VPNs, and LTE/APN settings.
 * Integrate devices with customer SCADA and head-end systems, validating point mapping, polling, and controls.
 * Implement TRUGrid SCADA as a replacement for an existing system or as a customer's first SCADA system.
 * Commission and test DNP3, Modbus, IEEE 2030.5, IEC 61850, and other protocol communications.
 * Troubleshoot hardware, firmware, network, and protocol issues using packet capture, signal analysis, and device logs.
 * Query SQL databases to validate deployments and support root-cause analysis.
 * Apply operational technology (OT) security best practices, including segmentation, secure remote access, and NERC CIP awareness.
 * Support pilots, proof-of-concept testing, and field trials with Engineering.
 * Document configurations, network diagrams, and support cases.