Senior Network Consultant

WHO WE ARE:

Mariner innovates always and everywhere, turning novel ideas into practical solutions. From products and services to venture creation, we build better futures powered by people. Our purpose has always been to be a great, everlasting technology company for those who make an impact - elevating people, data, and technology in the best way to solve hard problems. We partner with people embracing change, leveraging data, cybersecurity, cloud, and change management to drive successful business outcomes that matter to our customers.
Mariners build for change. Like SHIFT Energy , our energy management and decarbonization company. Or East Valley , created to scale social economic impact in our communities through investment and mentorship of emerging change-makers and their companies.

Mariner's purpose has always been to be a great, everlasting technology company and the core values that guide us every day are:

OUR VALUES

• We care for our team.
• We care about the impact we have on our community.
• We serve by solving complex problems.
• We grow because growth fuels opportunities.
• We innovate always and everywhere.
• We build a business that lasts.

OVERVIEW OF THE ROLE

We are seeking a highly experienced Senior Network Consultantto join our team and provide advanced operational leadership across complex enterprise network environments. This role is responsible for supporting, troubleshooting, and optimizing mission-critical network infrastructure spanning on-premises data centers and Azure cloud platforms, with a strong focus on Cisco ACI and hybrid connectivity, act as a senior escalation point within network operations, and play a key role in ensuring the stability, security, and continuous improvement of our enterprise networking environment.

WHAT YOU'LL BE DOING IN THE ROLE

• Investigate, troubleshoot, and resolve complex technical issues related to enterprise networking infrastructure.
• Act as an escalation point for advanced networking incidents, coordinating with vendors and external technical resources to drive timely resolution.
• Provide hands-on support for Cisco ACI environments and Azure networking components.
• Serve as the networking subject matter expert (SME) across internal and customer-facing technology projects, ensuring alignment with organizational standards and best practices.
• Design, implement, and optimize network solutions to improve performance, scalability, and capacity.
• Research, evaluate, and implement network security protocols and enhancements to maintain a secure infrastructure.
• Lead day-to-day network operations activities, ensuring stability, reliability, and high availability of services.
• Contribute to long-term operational planning, infrastructure roadmaps, and continuous improvement initiatives.
• Develop, document, and maintain Standard Operating Procedures for networking solutions and operational processes.
• Support and administer tools and platforms including Cisco Prime, Cisco Identity Services Engine, Cisco Catalyst, Junos Space, OpManager, CheckPoint firewalls, and A10/Netscaler load balancing solutions.
• Participate in change management processes, including planning, risk assessment, implementation, and post-change validation.
• Collaborate cross-functionally with infrastructure, security, cloud, and application teams to ensure seamless network integration and service delivery.

WHAT SKILLS / QUALIFICATIONS YOU'LL NEED TO DO THE JOB

• More than 15 years of experience in enterprise networking, with a strong focus on operations and support.
• Advanced hands-on expertise with Cisco ACI architecture, deployment, and troubleshooting.
• Strong experience with Azure networking, including VNets, NSGs, ExpressRoute, VPN gateways, load balancing, and hybrid connectivity.
• Deep knowledge of enterprise networking concepts including routing (BGP, OSPF), switching, VLANs, SDN, WAN, LAN, and data center networking.
• Strong experience with Cisco technologies (Cisco Prime, ISE, Catalyst platforms).
• Experience with firewall and security platforms such as Checkpoint and network security best practices.
• Familiarity with network monitoring and management tools such as OpManager and Junos Space.
• Experience with load balancing solutions such as A10 and/or Netscaler.
• Proven ability to troubleshoot complex, multi-layer networking issues in large-scale enterprise environments.
• Strong understanding of networking security protocols and compliance standards.
• Excellent analytical, documentation, and communication skills.

...AND YOU ARE...

• Always improving your skills and knowledge: you want to be the best at what you do
• Curious and creative; comfortable taking on new problems and challenges
• A self-starter with the ability to recommend priorities to the project leader
• Comfortable working through problems and figuring things out with minimal supervision
• Great problem-solving skills: thorough and reliable
• Able to work in a team: share knowledge and assist other team members
• A good communicator: able to explain your ideas and recommendations
• Well organized and dependable under pressure: you manage your time effectively
• Energized by our company values!

MARINER OFFERS YOU

• A values-driven workplace where people really matter
• Flexible work location, support forremote work and some on-site work may be required.
• Competitive salary, retirement savings program, and rewards program
• Comprehensive health, dental, vision, life and disability insurance plans and access to e-health care
• Paid vacation, maternity/parental leave, paid sick leave and paid Mariner MyLife days
• Unlimited training

WHY MARINER?

We believe in making a positive impact in the communities where we live and work! Not only are we passionate about nurturing a thriving technology sector here in Atlantic Canada, but we are also committed to solving technology challenges that will make an impact worldwide. Technology is everlasting, and we take pride in connecting world class talent to world class projects and business solutions.

If you are an IT Professional, Software Professional, or Management Consultant, that is passionate about career development, data, and problem solving, we want to hear from you! If this sounds like someone you know, share this with them so they do not miss the opportunity to experience Mariner!

To achieve this, we know we need to be all in on training and development of our team so we can continue to move the needle in the technology sector together. Of course, we offer competitive compensation and benefits packages to our team, but our competitive edge is the development and training that our team experiences every day.

Be part of our vibrant community that values diversity and embraces inclusion at every level. We are committed to fostering a culture where individuals from all backgrounds and walks of life feel empowered to contribute their unique perspectives. Our collaborative environment celebrates the richness of ideas and experiences, and we believe that by embracing diversity, we can achieve greater innovation and excellence together. Come and help us create a workplace that reflects the beautiful tapestry of our global community.

Join our growing team!