OXIO

Engineer

• Help grow our telecom team
• Work with our telecom team, core engineering team, and Level 1/2 customer support escalation groups
• Monitor and properly escalate real-time core network or infrastructure issues that could affect customers
• Maintain and improve the OXIO’s network
• Provide technical support, fault investigation and troubleshooting of all issues on the network
• Ensure that network/application problems are detected and corrected according to agreed KPI and SLA
• Design and implement comprehensive observability strategies across distributed systems
• Deploy and maintain monitoring solutions using tools like Sevone, Grafana, and CloudPak4AiOPs
• Develop automated alerting systems with AI-powered anomaly detection
• Create and maintain dashboards for real-time system visibility
• Implement distributed tracing and log aggregation solutions
• Technical support to NOC engineers to analyze and solve issues
• Development of KPIs and other metrics to monitor key aspects in mobile network performance
• Development of training material related to KPIs / Dashboards
• Ability to troubleshoot, document, and assess proper escalation channel and team or group.

Telecom Observability Engineer

Architect

• Configuration of STPs, DRAs, HLR/HSS, SMSC, SGSN, GGSN/PGW, SBC, etc.
• Along with the team, you will be responsible for being able to manage all equipment on our network.
• Using dashboards (and building new ones) to clearly and quickly discover issues and patterns
• Accountable and responsible to follow the communications procedures in place when handling an incident.
• Communication is both internal within our company and external to our third-party providers.
• Drive the implementation of telecom interconnection in relationship with our providers
• Maintenance, troubleshooting, security audits, and emergency response
• Wireshark tracing of critical infrastructure to debug issues
• Occasional on-call requirements

Senior Mobile Core Architect

Support Engineer

• Monitor, troubleshoot, and properly escalate real-time core network or infrastructure issues
• Maintain and improve OXIO's network and provide technical support
• Keep performance of telecom network at optimum levels by ensuring network/application problems are detected and corrected
• Troubleshooting complex issues by analyzing end to end call traces in several protocols and interfaces
• Creating on-demand dashboards to monitor specific metrics or to validate restoring of services after failures
• Technical support to NOC engineers to analyze and solve issues
• Develop training material related to signalling / troubleshooting / best practices

Mobile Telecom Support Engineer

• Analyze, prepare, implement and verify the configuration and integration of a node, network and/or system
• Manage networks and nodes within the IMS domain for our 2.5G, 3G & 4G networks
• Using dashboards to clearly and quickly discover issues and patterns
• Follow the communications procedures in place when handling an incident
• Maintenance, troubleshooting, security audits, and emergency response
• Undertake fault handling and corrective actions on node, service and infrastructure level
• Handle project activities, implementing / adapting (new) IMS E2E service functionalities, nodes, services
• When needed, cover the 7x24 monitoring shift responsibilities
• Wireshark tracing of critical infrastructure to debug issues
• Provide input, implement and verify improvements in processes and work instructions
• Verify and implement configuration changes
• Work to identify and drive improvement

IMS Core Engineer

• Analyze, design, implement, and verify the configuration and integration of subscriber data management nodes, networks, and systems across 2G through 5G infrastructure.
• Own the subscriber data management platform across network generations.
• Manage and operate HLR, HSS, UDR, and UDM nodes across 2G, 3G, 4G, and 5G core domains.
• Design and maintain subscriber provisioning workflows, including IMSI/MSISDN management, service profiles, and roaming configurations.
• Implement and verify MAP, Diameter (S6a, S6d, Cx, Sh, Zh), and HTTP/2-based (N8, Nudm) interfaces connecting subscriber data nodes to MSC, MME, AMF, SGSN, and other core elements.
• Use and build dashboards to monitor subscriber node KPIs, surface abnormal conditions, and identify patterns before they become outages.
• Own incident management for the subscriber data domain.
• Perform maintenance, security audits, patching, and emergency response for HLR/HSS/UDM/UDR platforms.
• Undertake fault handling and corrective actions at node, service, and infrastructure level.
• Lead and contribute to project activities: E2E introduction of new subscriber management nodes.

HLR, HSS, UDM Architect

Cloud Engineer

• Execute full lifecycle implementation of telecom network functions in cloud-native environments
• Collaborate with internal stakeholders, external vendors, and cloud providers
• Manage design, deployment, acceptance, operations, documentation, and support activities
• Ensure smooth handover from deployment to operations with proper knowledge transfer
• Work across full mobile network architecture and network elements (NEs)
• Support technologies across 2G, 3G, 4G, 5G, and Fixed Wireless Access (FWA)
• Manage core network functions including: Packet Core, IMS Core, Charging & Policy, Registration & Subscriber Repositories
• Apply deep knowledge of telecom protocols and architectures
• Implement and maintain FCAPS (Fault, Configuration, Accounting, Performance, Security) frameworks
• Deploy and operate telecom infrastructure in cloud-native environments
• Work with platforms including AWS, Azure, OpenShift, and VMware
• Configure and manage infrastructure templates (e.g., Heat, YAML)
• Ensure adherence to deployment standards and best practices
• Continuously improve deployment and operational processes
• Partner with R&D and Engineering teams to automate workflows
• Identify opportunities to enhance efficiency, reliability, and scalability
• Support development of infrastructure-as-code and automation frameworks

Telecom Cloud Engineer

Data Engineer

• Help build, maintain, and scale our data pipelines that bring together data from various internal and external systems into our data warehouse.
• Partner with internal stakeholders to understand analysis needs and consumption patterns.
• Partner with upstream engineering teams to enhance data logging patterns and best practices.
• Participate in architectural decisions and help us plan for the company’s data needs as we scale.
• Adopt and evangelize data engineering best practices for data processing, modeling, and lake/warehouse development.
• Advise engineers and other cross-functional partners on how to most efficiently use our data tools.

Staff Data Engineer

Software Engineer

• Act as the Product Owner for our SIM profiles, SIM vendors, SIM applets, and OTA platform.
• Manage vendor relationships and work with SIM manufacturers.
• Document technical processes for all activities.
• Standardize SIM procedures for all vendors using generic profiles and consistent processes.
• Participate in development projects related to applets and overall architecture plans.
• Manage the lifecycle of applets, including new releases and upgrades to existing electronic profiles.

Head of xSIM Engineering

Financial Planning and Analysis

• Work with the finance team, account managers, and legal to understand customer agreements for account reconciliation purposes
• Prepare monthly invoices for OXIO’s customers within both Xero and Facturama, and audit same against client contracts for compliance
• Prepare outgoing inventory invoices upon request from sales team
• Ensure timely processing and approval of vendor bills
• Perform continuous analysis including but not limited to aging of accounts receivable and accounts payable, monthly cost analysis, inventory-movement analysis, etc.
• Prepare ad-hoc reports for various business needs
• Coordinate with project teams to ensure vendors are onboarded to facilitate Purchase Orders and accounts payable processing
• Promptly respond to finance-related customer and vendor inquiries as well as internal requests for assistance
• Document and evaluate OXIO’s current AP and AR systems and processes, and assist with selection and implementation of potential improvements

Financial Operations Analyst

Solutions Engineer

• Lead sales presentations and technical demos, effectively communicating the benefits of our platform to both technical and non-technical stakeholders.
• Tailor pitches to address specific business pain points, emphasizing efficiency, scalability, and cost-effectiveness.
• Conduct detailed technical discovery sessions with prospects to uncover requirements, challenges, and opportunities.
• Develop customized solutions, write proposals, and contribute to the development of commercial offers.
• Own the sales process from discovery to contract signing, ensuring customer expectations are clearly understood and met.
• Collaborate closely with the marketing team to refine sales pitches and materials, ensuring alignment with market messaging and customer needs.
• Be an advocate for the customer internally, providing valuable feedback to the product and engineering teams to shape future solution offerings.

Solutions Architect

Product Manager

• Identify, validate, and prioritize customer and market opportunities.
• Frame ambiguous problems and develop clear hypotheses.
• Conduct customer interviews, market research, and data analysis to inform decisions.
• Define product strategy and roadmap priorities aligned with company goals.
• Balance customer needs, business objectives, technical constraints, and operational realities.
• Own products from concept through launch and iteration.
• Create product requirements, user stories, acceptance criteria, and success metrics.
• Partner closely with Engineering and Design to deliver high-quality experiences.
• Lead cross-functional execution across Product, Engineering, Design, Operations, Sales, Customer Success, and Marketing.
• Measure outcomes and continuously improve based on data and customer feedback.

DevOps Engineer

• Design and implement platform on the cloud to support OXIO backend services
• Automate technical operations: deployments, scaling, recovery, etc.
• Monitor and maintain mission-critical production infrastructure to ensure maximum uptime
• Participate in an on-call rotation and culture of continuous improvement through blameless postmortems
• Enable the Engineering/Telecom/Data Engineering teams by providing them the tools to operate the service they build