Mid-Level (2-5 years)

Network Administrator

This isn't just about keeping the lights on; it's about making sure our network actually works, day in, day out. You'll be the one digging into the nitty-gritty when things go a bit sideways, making sure our systems are talking to each other properly. Honestly, you're a critical part of the team, the person who keeps the digital highways open for everyone else. It's a hands-on role where you'll get to really own a chunk of our network infrastructure.

Job ID
JD-TECH-NEAD-002
Department
Technical Roles
NOS Level
Level 5-6 (Network Infrastructure Support)
OFQUAL Level
Level 5-6
Experience
Mid-Level (2-5 years)

Role Purpose & Context

Role Summary

The Network Administrator is responsible for the day-to-day health and smooth running of our network infrastructure. This means you'll be managing routers, switches, firewalls, and making sure all our internal and external connections are humming along nicely. You'll sit squarely within the Technical_roles department, working closely with the Senior Network Administrator and other IT teams to keep everything connected. When you do this job well, our colleagues won't even notice the network – it'll just work, reliably and fast. If it's not done well, frankly, the whole company grinds to a halt, and nobody gets anything done. The tricky part is balancing reactive troubleshooting with proactive maintenance, often with tight deadlines and unexpected outages. The reward, though, is the satisfaction of knowing you're the one keeping the entire business online, and you'll learn a huge amount about complex network systems along the way.

Reporting Structure

Key Stakeholders

Internal:

External:

Organisational Impact

Scope: This role directly impacts the operational continuity and performance of our entire organisation. A well-maintained network means employees can work efficiently, applications run smoothly, and our customers experience uninterrupted service. Poor network administration, on the other hand, can lead to widespread outages, significant productivity losses, and reputational damage. You're essentially the backbone of our digital operations.

Performance Metrics

Quantitative Metrics

  1. Metric: Ticket Resolution Time (Network Incidents)
  2. Desc: How quickly you resolve network-related support tickets from the service desk.
  3. Target: 90% of P1/P2 tickets resolved within SLA (typically 2-4 hours for P1, 8-24 hours for P2)
  4. Freq: Weekly review, monthly reporting
  5. Example: You pick up a 'network down in building A' ticket at 9 AM, identify a faulty switch, replace it, and confirm connectivity by 10:30 AM, well within the 2-hour P1 SLA.
  6. Metric: Change Success Rate
  7. Desc: The percentage of network configuration changes you make that go through without causing an incident or requiring a rollback.
  8. Target: >99% of changes implemented successfully without incident
  9. Freq: Monthly review
  10. Example: Out of 50 planned firewall rule changes or switch port activations this month, 49 went perfectly, and one caused a minor connectivity issue that you quickly fixed without a major outage.
  11. Metric: Device Uptime for Assigned Infrastructure
  12. Desc: Maintaining high availability for the specific routers, switches, and firewalls you're responsible for.
  13. Target: 99.95% uptime for critical network devices
  14. Freq: Monthly, via monitoring system reports
  15. Example: Your assigned core switch has been online for 720 hours this month, with only 15 minutes of downtime due to a planned firmware upgrade, hitting the 99.95% target.
  16. Metric: Network Monitoring Alert Response
  17. Desc: How quickly you acknowledge and begin troubleshooting critical alerts generated by our network monitoring systems.
  18. Target: 95% of critical alerts acknowledged within 15 minutes
  19. Freq: Daily/Weekly audit of monitoring logs
  20. Example: The monitoring system flags a WAN link as down at 10:00 AM; you acknowledge the alert and start diagnosis by 10:07 AM, well within the 15-minute window.

Qualitative Metrics

  1. Metric: Quality of Troubleshooting & Root Cause Analysis
  2. Desc: How thoroughly you investigate network issues, identify the actual root cause, and propose lasting solutions.
  3. Evidence: Your incident reports clearly detail the problem, the steps taken to diagnose, the root cause, and preventative measures. You're not just putting out fires; you're figuring out why they started. Senior team members rarely need to re-investigate your closed tickets.
  4. Metric: Proactive Issue Identification
  5. Desc: Your ability to spot potential network problems before they become critical incidents, often using monitoring tools or your own intuition.
  6. Evidence: You flag a switch port with increasing error rates to your manager before it causes an outage. You notice unusual traffic patterns and investigate them, preventing a broadcast storm. You suggest optimisations based on observed network behaviour.
  7. Metric: Documentation & Knowledge Sharing
  8. Desc: How well you contribute to and maintain our network documentation, making it easier for others (and future you!) to understand and troubleshoot.
  9. Evidence: New configurations are always documented in our wiki. Troubleshooting steps for recurring issues are added to our knowledge base. You update network diagrams after changes. Junior team members can follow your documentation to resolve issues.
  10. Metric: Collaboration with Peer Teams
  11. Desc: How effectively you work with other IT teams (e.g., Servers, Service Desk) to resolve issues that cross domain boundaries.
  12. Evidence: Other teams comment positively on your willingness to help and your clear communication during joint troubleshooting. You proactively reach out to the Server team when you suspect an application issue, rather than just closing a ticket as 'not network related'.

Primary Traits

Supporting Traits

Primary Motivators

  1. Motivator: Solving Complex Puzzles
  2. Daily: You get a real kick out of figuring out why something isn't working, especially when it's a tricky, intermittent network issue that's stumped others. That moment when you finally pinpoint the root cause is genuinely satisfying.
  3. Motivator: Keeping Things Running Smoothly
  4. Daily: You're motivated by the idea of providing a stable, reliable network that just 'works' for everyone. You take pride in the fact that your proactive work prevents outages.
  5. Motivator: Continuous Learning & Skill Development
  6. Daily: The network world changes constantly, and you're eager to keep up. You enjoy learning new protocols, getting hands-on with new hardware, or diving into scripting to automate tasks.

Potential Demotivators

Honestly, this role isn't for everyone. You'll often be the default suspect for every slow application, even when your packet captures prove the network latency is sub-millisecond and the server response time is five seconds. Expect after-hours hell – the constant reality of 2 AM change windows and weekend upgrades because 'we can't have any downtime during business hours.' You'll probably discover 'Shadow IT nightmares' where someone's plugged in a cheap, unmanaged switch that's now spewing broadcast traffic and bringing down a whole floor. And don't get me started on 'vague ticket syndrome' – receiving tickets that just say 'The internet is slow' with no source IP, destination, or timestamp, forcing you to start a painful interrogation process. If you need to see every piece of your work immediately appreciated or if you can't handle the occasional thankless task, you'll struggle here. The reality is messier than the job posting suggests.

Common Frustrations

  1. Being the 'blame deflector' for every IT problem, even when it's clearly not network-related.
  2. The constant need for after-hours work for changes and upgrades, disrupting personal plans.
  3. Dealing with 'Shadow IT' – rogue devices or configurations causing unexpected problems.
  4. Receiving vague support tickets that lack crucial information, requiring extensive follow-up.
  5. Having to support ancient, out-of-warranty legacy gear because there's no budget for a refresh.
  6. Being criticised for poor documentation while simultaneously being given no time to create or update it due to constant firefighting.

What Role Doesn't Offer

  1. A strict 9-5 schedule with no out-of-hours work.
  2. A role where you're always building new, greenfield networks (there's plenty of maintenance).
  3. A job where you're never questioned or blamed for issues outside your control.
  4. A position with unlimited budget for the latest and greatest hardware.

ADHD Positives

  1. The constant variety of troubleshooting challenges can be engaging and prevent boredom.
  2. High-pressure incident response can provide a hyper-focus opportunity, leading to rapid resolution.
  3. The need for quick, on-the-spot problem-solving can suit a fast-thinking mind.

ADHD Challenges and Accommodations

  1. Repetitive documentation tasks or routine checks might be difficult to maintain focus on. We can help by breaking these into smaller, time-boxed tasks and using checklists.
  2. Managing multiple, conflicting 'urgent' priorities can be overwhelming. We'll work on clear prioritisation frameworks and help you manage interruptions.
  3. The need for extreme precision in configuration can be challenging; using peer reviews and automated validation tools can provide a crucial safety net.

Dyslexia Positives

  1. Strong spatial reasoning skills, useful for visualising network topologies and data flows.
  2. Often excellent at 'big picture' thinking, which helps in understanding complex system interactions.
  3. Hands-on, practical work with physical devices or CLI commands can be a strength.

Dyslexia Challenges and Accommodations

  1. Reading and writing extensive technical documentation or complex configuration files can be tiring. We encourage the use of text-to-speech software, grammar checkers, and structured templates.
  2. Distinguishing similar-looking commands or IP addresses might require extra care. We'll use clear formatting in configs and encourage peer review for critical changes.
  3. Verbal communication for incident updates might be preferred over written reports. We're happy to use a mix of communication methods.

Autism Positives

  1. A strong preference for logical, rule-based systems like network protocols and configurations.
  2. Exceptional attention to detail, which is crucial for identifying subtle network anomalies or configuration errors.
  3. Ability to maintain focus on a single, complex technical problem for extended periods.
  4. Direct, factual communication style is highly valued in technical troubleshooting.

Autism Challenges and Accommodations

  1. Unexpected changes or urgent, unplanned tasks can be disruptive. We aim for clear communication about upcoming changes and provide as much notice as possible.
  2. Navigating social dynamics during cross-team collaboration or incident calls can be challenging. We support direct, clear communication and can help mediate interactions.
  3. Sensory overload from a busy office environment (noise, bright lights) can be an issue. We offer flexible working arrangements and quieter workspaces where possible.

Sensory Considerations

Our office environment is typically open-plan, which can mean moderate background noise. There are quieter areas available for focused work. We use standard office lighting. Social interactions are generally direct and task-focused, but there can be periods of high activity during incidents. We're open to discussing individual needs for headphones or specific desk setups.

Flexibility Notes

We understand that everyone works differently. We're committed to providing reasonable accommodations to help you do your best work. If you have specific needs or questions, please don't hesitate to discuss them with us during the interview process or once you join the team. We believe in creating an inclusive environment where everyone can thrive.

Key Responsibilities

Experience Levels Responsibilities

  1. Level: Network Administrator (Mid-Level)
  2. Responsibilities: Independently execute routine network changes, like activating new switch ports for users or implementing pre-approved firewall rules. You'll follow our established change control procedures to the letter.
  3. Take ownership of troubleshooting and resolving Level 2 network incidents. This means digging into 'flapping ports,' 'asymmetric routing,' or 'it's always DNS' issues, and getting them sorted.
  4. Identify performance bottlenecks or potential points of failure in the network using our monitoring tools (like PRTG or Zabbix). You'll then propose solutions to your Senior Administrator.
  5. Propose improvements to existing network configurations or processes to boost efficiency or security. We want your ideas on how to make things better.
  6. Maintain and update network documentation, including diagrams, IP address management (IPAM) records, and configuration backups. Yes, it's boring, but essential for everyone.
  7. Participate in the on-call rotation for critical network incidents. When the 'broadcast storm' hits at 2 AM, you'll be part of the team responding.
  8. Provide informal guidance and support to junior network technicians, helping them with basic troubleshooting or understanding our systems. Think of it as being a helpful peer.
  9. Supervision: You'll typically have weekly check-ins with your Senior Network Administrator to discuss ongoing projects, challenges, and priorities. For routine tasks, you'll work independently, but for anything novel or high-risk, you'll consult with your senior team members.
  10. Decision: You have authority for routine operational decisions within established guidelines, such as resolving standard network incidents, activating ports, or implementing pre-approved firewall rules. Any changes impacting critical services, significant architecture modifications, or budget expenditure above £1,000 will need approval from your Senior Network Administrator or Manager. You're expected to escalate exceptions, not try to be a hero.
  11. Success: Success in this role means consistently resolving network incidents within our service level agreements, executing changes without causing new problems, and proactively identifying potential issues. You'll be seen as a reliable and knowledgeable member of the team, someone who can be trusted to manage a segment of our network infrastructure effectively. Importantly, your documentation will be clear enough for others to pick up where you left off.

Decision-Making Authority

Save 10-15 hours weekly: Let AI handle the grunt work, you solve the real problems.

Imagine having a super-smart assistant that handles the tedious, repetitive parts of network administration. That's what AI can do for you. It's not about replacing your job; it's about making your job easier, faster, and letting you focus on the interesting, complex stuff.

ID:

Tool: Config Generation & Validation

Benefit: Use AI assistants to quickly generate boilerplate configurations for new devices or specific features (like a new VLAN or VPN tunnel) based on our established templates. Even better, AI can audit existing configurations against security baselines (e.g., CIS benchmarks) and flag any deviations, saving you hours of manual checking. It's like having a hyper-vigilant peer reviewer on demand.

ID:

Tool: AIOps for Predictive Analysis

Benefit: Instead of just reacting to alerts, imagine a system that tells you a WAN link is likely to become saturated next week, or that a specific switch port is showing early signs of failure. AIOps platforms ingest all our network telemetry data to predict future issues, moving you from reactive firefighting to proactive problem prevention. It means fewer 2 AM calls.

ID:

Tool: Vulnerability & Doc Synthesis

Benefit: When a new CVE (Common Vulnerabilities and Exposures) report drops, you can feed it to an AI tool along with our network device inventory. Ask it to summarise the risk, identify exactly which of our devices are affected, and outline the vendor's recommended mitigation steps. It'll save you hours of sifting through dense security advisories and cross-referencing against our asset list.

ID: ️

Tool: Outage Report Translation

Benefit: After you've just battled a major network outage, the last thing you want to do is write a lengthy, non-technical executive summary. Feed your technical timeline ('BGP session dropped due to malformed attribute, cleared session, routes reconverged') into an AI model and ask it to generate a clear, concise, business-friendly report for stakeholders. It's a massive time-saver for post-incident comms.

10-15 hours weekly Weekly time savings potential
5-7 AI-powered tools Typical tool investment
Explore AI Productivity for Network Administrator →

12-15 specific tools & techniques with implementation guides

Competency Requirements

Foundation Skills (Transferable)

These are the bedrock skills that make a good Network Administrator. They're not just about technical know-how, but how you approach problems, work with others, and keep learning. Frankly, without these, even the best technical skills won't get you far.

Functional Skills (Role-Specific Technical)

These are the specific technical skills you'll need to hit the ground running and really make a difference in this role. We're looking for practical experience here, not just theoretical knowledge. You'll be using these day-in, day-out.

Technical Competencies

Digital Tools

Industry Knowledge

Regulatory Compliance Regulations

Essential Prerequisites

Career Pathway Context

These prerequisites mean you won't be starting from zero. We expect you to already know your way around a network, understand the basics, and be ready to take on more complex challenges. This role isn't about teaching you what a router does, but about building on your existing foundation to make you a truly effective Network Administrator.

Qualifications & Credentials

Emerging Foundation Skills

Advancing Technical Skills

Future Skills Closing Note

The network landscape is always shifting, and frankly, that's what makes it exciting. We're not looking for someone who knows everything today, but for someone who's eager to learn, adapt, and grow with us. Your willingness to embrace these emerging skills will be a huge differentiator for your career here.

Education Requirements

Experience Requirements

You'll need roughly 2-5 years of dedicated, hands-on experience in a network administration or support role within an enterprise environment. This isn't your first rodeo; we expect you to have independently managed network devices, troubleshooted common issues, and participated in change management processes. Experience with at least one major vendor (e.g., Cisco, Fortinet) is essential, and familiarity with cloud networking (AWS/Azure) is a definite bonus.

Preferred Certifications

Recommended Activities

Career Progression Pathways

Entry Paths to This Role

Career Progression From This Role

Long Term Vision Potential Roles

Sector Mobility

The skills you'll gain here – deep networking knowledge, troubleshooting, automation, and cloud understanding – are highly transferable across almost any industry. Every company needs a reliable network, so your expertise will always be in demand, whether that's in finance, e-commerce, healthcare, or public sector.

How Zavmo Delivers This Role's Development

DISCOVER Phase: Skills Gap Analysis

Zavmo maps your current competencies against all requirements in this job description through conversational assessment. We evaluate your foundation skills (communication, strategic thinking), functional skills (CRM expertise, negotiation), and readiness for career progression.

Output: Personalised skills gap heat map showing strengths and priorities, estimated time to competency, neurodiversity accommodations.

DISCUSS Phase: Personalised Learning Pathway

Based on your DISCOVER results, Zavmo creates a personalised learning plan prioritised by impact: foundation skills first, then functional skills. We adapt to your learning style, pace, and neurodiversity needs (ADHD, dyslexia, autism).

Output: Week-by-week schedule, each module linked to specific job responsibilities, checkpoints and milestones.

DELIVER Phase: Conversational Learning

Learn through conversation, not boring modules. Zavmo uses 10 conversation types (Socratic dialogue, role-play, coaching, case studies) to build competence. Practice difficult QBR presentations, negotiate tough renewals, and handle churn conversations in a safe AI environment before facing real clients.

Example: "For 'Stakeholder Mapping', Zavmo will guide you through analysing a complex enterprise account, identifying key decision-makers, and building an engagement strategy."

DEMONSTRATE Phase: Competency Assessment

Zavmo automatically builds your evidence portfolio as you learn. Every conversation, practice scenario, and application example is captured and mapped to NOS performance criteria. When ready, your portfolio supports OFQUAL qualification claims and demonstrates competence to employers.

Output: Competency matrix, evidence portfolio (downloadable), qualification readiness, career progression score.

Discover Your Skills Gap Explore Learning Paths