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Job Description Job Description L3 Network/ Linux Systems Engineer Responsibilities Being escalation point for a variety of change requests/complex issues Configuration and administration of core routers, switches, firewalls and Linux servers Architecture and designing the network topologies & comprehensive IT solutions, create and maintain Visio / Lucidchart diagrams, configuration templates, IP addressing (NetBox IPAM) and the low-level design documents that contains all the switching/routing details, migration steps, bandwidth analysis and security policy controls Write and implements scripts to automate tasks in Linux (Python/Bash/PHP) Manage various virtualization environments (Proxmox) Utilize the network monitoring tools to pinpoint issues and bottlenecks in the network and take the necessary steps to rectify it. Collaborate with various internal groups, business units to understand the applications and provide end to end network solution as per the firm's network standards. Troubleshoot issues from L2 to L4 of the OSI layer in the network. Configure and route multicast traffic across the network (PIM, IGMP). Building, installing and mounting servers and network equipment's in the DataCenter Troubleshooting server hardware and deep tuning of Linux OS settings to achieve required perfomance Provide break down of an issue to NOC supervisors to enable them understand and explain the problem to the client. Qualification: • Expert in classless and classful IPv4 address designing, deploying and management. In-depth knowledge on Routing, Switching and Network Security with the broad industry experience (OSPF, BGP, PIM) on Cisco; Brocade as a plus. • 3-5 years of experience with designing and implementing large enterprise network environments and with Linux system administration. CCNP or equivalent or higher industry certification are preferred • Hands on experience with Cisco Catalyst 6500 platform, Nexus (3K,5K,9K) switches, TNSR routing platfrom and PFsense firewalls. Thorough understanding of TCP/IP protocol family and network security technologies. Designed and built a multi-tier DMZ Network with micro and macro segmentation Experience in migrating large scale datacenters and providing the support for the applications migrations. Ability to work both independently and as a team member is essential. Strong presentation skills are imperative to be able to explain network design, articulate risk and facilitate decision making. Experience in network data analysis with tools such as Wireshark, TCPDump Experience in performing administrative tasks on Linux Servers (CentOS and Ubuntu) • Hands on experience with Cisco network equipment. • Experienced in configuring multicast nodes and routing multicast traffic across the network • Hands on experience with PFsense firewall. • Thorough knowledge of server level operations and software principles utilizing Linux CLI. • Hands on experience on building, operating and troubleshoot virtual private server (VPS) • Able to work extra hours if and when required (Maintenance activities and emergencies). • Sufficient knowledge of python/bash/php to be able to read and modify existing automation scripts, as well as write new ones Nice to have: *Knowledge of video transport protocols IP MPEG-TS, HLS, SRT and video standards *Experience working with GPU/ASIC video processing hardware acceleration *Ability to understand existing and create gstreamer/ffmpeg pipelines for use in lab environment *Experience using agentic AI tools, deploying self-hosted Location Markham , ON Work location On site Salary $ 125,130.78 YEAR annually Terms of employment Permanent employment Full time Starts as soon as possible vacancies 1 vacancy Source ZipRecruiter #bb9200d27 Various locations Markham, ON
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.