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Top 6 Ways a Network Administrator Improves Security Across Your Computer Systems
When something goes wrong with your computer systems, you don’t have time to wait around for solutions. Whether it’s a data breach, a system outage, or slow network performance, you need someone who’s already ahead of the problem before it even becomes one. That’s what a great network administrator does — quietly working behind the scenes to protect everything you’ve built.
As a business owner, you don’t want to become an accidental IT manager. You have enough on your plate already. Between juggling team performance, meeting client expectations, and hitting your bottom line, the last thing you should worry about is whether your network and administration setup can withstand the next cyber threat or system failure.
The right network admin isn’t just a tech support guy — they’re a strategic protector of your network infrastructure, ensuring your entire operation runs smoothly, safely, and without unexpected disruptions.
In this blog, I’ll walk you through the top 6 ways a network administrator improves security across your network systems and day-to-day operations. So you can finally stop putting out fires and start focusing on the parts of your business that truly matter.
Understanding the role of a network administrator in business security
Think of a network administrator as your business’s silent guardian — not flashy, but absolutely essential. They’re the ones ensuring your network and administration systems are protected, optimised, and ready for anything. Every email sent, file shared, or app opened depends on the security and stability of your computer network, and it’s the network admin who keeps everything in check.
Their job description covers everything from installing and configuring network hardware and software, to managing access levels, overseeing network performance, and stepping in immediately when there’s a threat or failure. And while the role shares similarities with system administrators, the focus here is specifically on safeguarding network infrastructure and keeping all connections secure.
Hiring a network administrator with the right qualifications, technical experience, and vendor certification isn’t just about compliance. It’s about giving your business a real fighting chance against modern IT risks. A good one will manage and maintain both your hardware and software, take charge of your network inventory, and offer technical support to users when needed — whether through help desk support or remote troubleshooting.
When you bring on a professional with the right skill set, you're not just getting someone who knows their way around a router or firewall — you're getting peace of mind.
Proactive monitoring to detect and prevent threats early
The best way to fix a problem? Stop it before it starts.
That’s exactly what a skilled network administrator does through proactive monitoring. Instead of waiting for you to report a lagging system or a suspicious email, they’re already tracking your network operations, identifying red flags, and stepping in before anything can escalate. It’s not just about reacting — it’s about prevention.
Your computer systems are always active — even when your office lights are off. That’s why network professionals use advanced tools to monitor the efficient performance of servers, check for unusual behaviour, and manage traffic across your network infrastructure. They're not only watching the data flow; they’re safeguarding it in real time.
With constant surveillance, they can troubleshoot issues the moment they appear — often before you or your team even notice. Whether it’s an attempted breach, a misconfigured setting, or early signs of hardware failure, they’re on it.
And it’s not just about protecting the system. It’s also about protecting your time. Constant diagnosis and resolution of faults means fewer disruptions, less downtime, and more energy spent on growing your business instead of fixing tech headaches.
So, while you're focusing on sales, service, or strategy, your network admin is behind the scenes, quietly keeping everything safe — and running like clockwork.
Managing user access and permissions to minimise risk
Not everyone in your business needs access to everything. In fact, the more people who have unrestricted access to sensitive files and systems, the more likely you are to face costly mistakes — or worse, a security breach.
A savvy network administrator knows this. That’s why one of their core responsibilities is to control user access and manage permissions across your network and administration setup. They ensure each employee only sees what they need to do their job — nothing more, nothing less.
This sounds simple, but it’s one of the most effective ways to reduce internal risk. Password policies, two-factor authentication, and role-based access aren’t just buzzwords — they’re real layers of protection that stop accidental (or intentional) misuse of data.
A strong network admin will implement these safeguards and keep them updated as your team grows or changes roles. They’ll track who accessed what and when, create secure user profiles, and even revoke access automatically when someone leaves the company.
When this is handled well, you eliminate one of the biggest weak spots in any organisation’s network: human error.
The goal is simple — give your people the access they need without giving away the keys to the kingdom. And that’s exactly what your network administrator is trained to do.
Implementing strong firewalls and network defence protocols
Every day, cyber threats get smarter. Phishing emails, malware, ransomware — they’re not just targeting big corporations anymore. Small to mid-sized businesses are actually more vulnerable because they often assume they’re not a target. But if you’re connected to the internet, you’re exposed.
This is where a network administrator steps in with some serious muscle.
They’ll install and configure robust firewalls, intrusion detection systems, and advanced network security tools to keep attackers out and your business data in. Think of it like building a high-security fence around your digital assets, complete with motion sensors and auto-locks.
But the work doesn’t stop at setup. Ongoing configuration and maintenance of these defences are critical. A good network admin will frequently update and test these network systems, ensuring they’re actually doing their job and adapting to new threats.
They’ll also provide technical support when there’s a security scare — quickly isolating threats and protecting your software and applications before damage is done. And since your network architecture involves a mix of servers and workstations, cloud tools, and mobile devices, all of these need to be protected in sync.
Let’s be real: you can’t afford downtime. A single attack can cost thousands — not just in recovery costs but in lost trust, clients, and credibility. With a trained network administrator on your side, you’re not playing defence. You’re playing smart.
Keeping systems updated and patched against vulnerabilities
Outdated software is like leaving your front door unlocked — except instead of burglars, you’re inviting cybercriminals, malware, and performance issues into your computer systems.
A proactive network administrator doesn’t wait for updates to cause problems — they stay ahead of them. They keep a close eye on your entire network and administration environment and make sure everything is running the latest, most secure versions.
From operating systems and network hardware to business-critical apps and databases, patching isn’t just maintenance — it’s protection. A missing update can become an open window for hackers, especially if your business handles sensitive client data or financial records.
But it’s not just about installing the latest patches. It’s also about knowing how and when to apply them with minimal disruption. That’s where your network admin uses their expertise — planning updates during low-traffic hours, testing them first, and making sure your team stays productive while your systems stay protected.
This is where a solid education and training foundation really shines. A qualified network administrator not only understands the importance of updates but knows how to roll them out without bringing your business to a standstill.
Bottom line? Regular updates aren’t optional anymore. They’re essential. And with a strong network admin in place, you’ll never have to worry about falling behind again.
Developing backup strategies and disaster recovery plans
Let’s face it — things go wrong. Servers crash. Files get deleted. Systems fail without warning. But when you’ve got a proper backup and disaster recovery plan in place, it doesn’t have to be the end of the world.
A capable network administrator helps you prepare for the worst, so your business doesn’t skip a beat when the unexpected happens. They build smart, automated backup strategies that run quietly in the background, constantly saving your important data and configurations.
Whether it’s a power outage, hardware failure, or full-blown cyberattack, they’ve already planned the recovery path. That means less panic, less downtime, and more control when every second counts.
They’ll also test your recovery processes regularly — not just once when it’s first set up. That way, you’re not just hoping your backups work… you know they do. Your network admin can also document recovery procedures clearly, so your team knows what to do and who to call when the clock is ticking.
For businesses that rely on access to real-time information, losing a day — or even an hour — can cost thousands. That’s why a great network administrator doesn’t just think about your daily IT needs. They plan for the “what ifs,” building systems that can bounce back fast and protect what matters most.
Because protecting your network inventory isn’t just about technology — it’s about preserving your business.
Educating staff and enforcing cybersecurity best practices
Even with the best systems in place, your biggest risk often comes from within — and it’s usually unintentional. One misplaced click, reused password, or shady email attachment is all it takes. That’s why your network administrator doesn’t just protect systems — they also educate people.
Cybersecurity isn’t just an IT issue. It’s a company-wide responsibility. A strong network admin helps train your staff on safe habits, from recognising phishing scams to understanding how to securely handle company data. This kind of user training goes a long way in reducing day-to-day risks.
They’ll also create policies around things like password management, device usage, file sharing, and cloud access — then make sure those policies are clear, documented, and enforced.
And this isn’t a one-time thing. Ongoing help desk support and user awareness sessions help reinforce best practices. Whether it’s onboarding a new team member or updating the entire staff after a security incident, your network admin ensures everyone stays sharp and informed.
Let’s be real — even the most advanced network hardware and software can’t protect you if your team doesn’t know how to use it safely. But when your people are trained, alert, and backed by an experienced network administrator, your entire information systems environment becomes stronger.
Smart businesses don’t just invest in firewalls — they invest in their people, too.
Final thoughts
You don’t need to become a network specialist, a network engineer, or even understand how to configure network hardware to protect your business. You just need the right person who does.
A trusted network administrator is more than just a tech expert. They’re your security partner, your system strategist, and your first line of defence. From keeping your network and administration secure to ensuring the smooth flow of your computer systems, they make sure you stay ahead of problems, not stuck in them.
And if you've ever had to deal with downtime, data loss, or network issues that stop your team in their tracks — then you already know how critical this role is.
Since 2004, soma technology group has helped businesses across Queensland stay protected, connected, and confident in their tech. With over 500 years of combined experience, 24/7 emergency support, and a reputation for transparency and tailored service, you can trust us to be the partner who always shows up.
Frequently asked questions
What does a network admin do on a daily basis?
A network admin manages and maintains the computer systems and computer network infrastructure of a business. Their day typically includes monitoring system performance, applying patches, overseeing access permissions, and performing the diagnosis and resolution of network faults. They also keep detailed procedures and documentation to ensure smooth operations and recovery.
How do system administrators differ from network admins?
While both roles fall under information technology, system administrators usually handle the internal servers and software applications, while network admins focus on external connectivity, firewalls, routing, and network performance. In many businesses, they work closely together, especially when maintaining or upgrading network hardware.
What qualifications are needed to become a network administrator?
To become a network administrator, most professionals start with a bachelor's degree in information systems, computer science, or a related field. Many employers also look for certification programs like CompTIA Network+ or Cisco certifications. Some admins also transition from help desk roles, gaining skills through on-the-job training.
What do network administrators install and configure?
Network administrators install and configure network hardware, such as routers, firewalls, and switches, as well as software used to monitor and secure the computer network. They’re responsible for documenting these setups in the documentation for network inventory and ensuring all systems meet maintenance instructions and security protocols.
Do network professionals also provide user training?
Yes, part of the job for many network professionals includes desk support and user training. This might involve educating staff on safe email practices, how to use new tools, or providing quick guides for internal systems. It’s a vital part of minimising human error and ensuring security awareness across your business.
Can network administration specialists customise services for my business?
Absolutely. Many network and computer systems administrators specialise in creating tailored setups based on your business's size, industry, and compliance needs. Whether you're working with a network engineer, systems engineer, or network admins, they can build a strategy that aligns with your specific goals, risk profile, and budget.
What is networker administration, and how does it support small businesses?
Networker administration refers to the hands-on management of a company’s entire network infrastructure, including monitoring, setup, and security protocols. For small businesses, this support is essential — it ensures that computer systems stay online, data stays protected, and any network faults are resolved quickly. It's the behind-the-scenes work that keeps your day-to-day running without interruption.
