Senior Network Engineer at GeoPoll

Responsibilities: 

• Design, implement and maintain network infrastructure and systems.
• Configure and maintain IPsec, OpenVPN and SSTP VPNs, Firewalls, load balancers and other security protocols.
• Manage Windows and Linux administration, including domain administration and security.
• Identify and troubleshoot network issues and provide timely solutions.
• Conduct regular system audits to ensure optimal performance and security.
• Deploy and maintain monitoring tools such as Zabbix, Nagios, checkmk, and SNMP.
• Manage and maintain virtualization environments using Hyper-V and VMWare, ensuring optimal performance and stability.
• Collaborate with the team to identify and implement network improvements and upgrades.
• Stay up to date with the latest industry trends and technologies to improve our network systems.
• Participate in on-call rotation for off-hour support and incident response.

Requirements: 

• Bachelor’s degree in computer science, Information Technology, Electrical Engineering, or suitable experience in the related field
• 5+ years of experience as a Senior Network Engineer or a similar role
• Strong knowledge of IPsec VPNs, Firewalls, Load balancers Windows Administration, and Linux Administration
• In-depth understanding of network protocols and security systems
• Expertise in virtualization platforms such as Hyper-V and VMware.
• Expertise in network security, intrusion detection and prevention systems, vulnerability scanning as well as penetration testing.
• Experience setting up and maintaining webservers such as Microsoft IIS, Apache/Nginx
• Experience preferred (not required) in setting up and maintaining Asterisk, FreePBX and IVR systems.
• Experience preferred (not required) in setting up messaging using SMPP and ParlayX
• Familiarity in setting up and maintaining messaging queueing systems using RabbitMQ/ActiveMQ
• Experience running systems in production.
• Familiarity with database technologies such as SQL Server, MySQL
• Shell scripting and automation (bash, powershell, python, nodejs)
• Strong analytical and problem-solving skills
• Excellent communication and interpersonal skills
• Ability to work independently and in a team environment.
• Relevant certifications such as CCNA, CCNP, and CISSP are a plus.

Responsibilities: 

• Design and implement Mobile Accord’s Voice and IVR systems.
• Setup and maintain Mobile Accord’s Messaging systems.
• Set up and maintain Asterisk and FreePBX systems
• Manage messaging connectivity using SMPP and ParlayX
• Set up and support billing and airtime systems.
• Manage Windows and Linux administration, including domain administration and security.
• Deploy and maintain monitoring tools such as Zabbix, Nagios, Checkmk, and SNMP.
• Conduct regular system audits to ensure optimal performance and security
• Collaborate with the team to identify and implement network improvements and upgrades
• Participate in on-call rotation for off-hour support and incident response.

Requirements: 

• Bachelor’s degree in Computer Science, Information Technology, Electrical Engineering, or suitable experience in a related field
• 4+ years of experience as a Senior Integrations Engineer/VAS Engineer or a similar role
• Experience in setting up and maintaining Asterisk, FreePBX and IVR systems.
• Experience in setting up messaging using SMPP and ParlayX
• Experience in setting up and maintaining messaging queueing systems using RabbitMQ/ActiveMQ
• Proficiency in Windows and Linux administration, domain administration, and virtualization using HyperV and VMWare.
• Experience setting up and maintaining webservers such as Microsoft IIS, Apache/Nginx
• Experience running systems in production.
• Familiarity with database technologies such as SQL Server, MySQL
• Shell scripting and automation (bash, powershell, python, nodejs)
• General knowledge of IPSec VPNs, Firewalls, Load balancers
• Understanding of network protocols and security systems
• Strong analytical and problem-solving skills
• Excellent communication and interpersonal skills
• Ability to work effectively both independently and in a team environment
• Experience in setting up interactive IVR systems such as FreePBX and Verboice systems is a plus.

Responsibilities:

• Assisting with the management of daily operational activities and escalating where support is required
• Assisting with project management by creating assignments, tracking progress, and following up on the resolution of issues
• Liaise between the different operations departments to ensure cross-departmental goals are achieved
• Arranging and assisting with the onboarding of new employees
• Preparing and maintaining operations documents and reports
• Performing administrative tasks such as taking minutes during meetings, scheduling meetings, etc.

Requirements:

• Excellent organizational, time management, multi-tasking, and prioritization skills
• Experience in project management skills (preferred)
• Excellent communication and people management skills
• Bachelor’s degree in business administration or another related discipline
• Experience in an administrative role for 2+ years
• Proficiency in Microsoft Office suite (PowerPoint, Word, Excel)
• Self-starter with strong problem-solving skills

About you

The ideal candidate for this role brings some combination of the following personal traits to the table:

• Extremely self-motivated and highly organized
• Self-starter (willing to take initiative and champion innovative ideas)
• Collaborative and works well in a team environment
• Possesses excellent oral and written communication skills

Key Responsibilities:

• Implementation of new SMS messaging connections with wireless carriers’ SMSC using GeoPoll’s messaging platform (Java, SMPP, REST)
• Development and extension of the capabilities of GeoPoll’s messaging platform (Java)
• Implementation of new billing adapters for various wireless carrier billing systems (REST, SOAP, C#)
• Troubleshooting and debugging web applications
• Accurately breaking down and estimating work and an ability to deliver as per agreed-upon timelines
• Active involvement in design reviews, code reviews and general support of all team initiatives.

Skills & Experience:

Languages  

• Java
• C# .Net
• Javascript
• HTML 5
• CSS 3/Sass/Less

Frameworks  

• .Net 4.5+
• .Net Core
• ASP.NET Core Blazor
• .Net Xamarin
• jQuery, jQueryUI
• PetaPoco
• Dapper
• Unity (IOC)
• Knockout.js
• Require.js
• Node.js
• Bootstrap.js

Tools  

• ActiveMQ, RabbitMQ, or other Queuing Platform
• NHibernate
• REST, SOAP, JSON, JMS, NMS
• Microsoft Visual Studio
• Team City
• Nuget

Databases  

• SQL Server
• MySQL
• CouchDB
• Cassandra