From the Door to the Domain: Can Security Work Lead to a Higher-Paying Career?

Security work is often treated as a dead end. It doesn’t have to be. I started as an entry-level guard and worked nightclub doors, executive protection, private investigations and security management before moving into IT management. The lessons I learned on the door are the same ones I use today to decide who gets into a company’s systems, which the IT world calls Zero Trust. Here’s how those lessons carried over, and how you can use yours to move into better-paid work, in security or any other field.

My path from the door to IT management

These days I don’t stand at a door. I manage IT, and a big part of my job is deciding who gets into the company’s systems and what they can reach once they’re in: single sign-on, access rules, device standards, and approving changes before they go live. The tools are different. The decisions are mostly the same ones I made on the door.

The skills that carry over to any career

• Reading people and situations early. This is useful in management, sales, negotiation and any customer-facing role.
• Staying calm and making a call under pressure. Every job has moments when the problem lands on your desk.
• Writing clear, honest reports. Compliance, operations and project management all run on good documentation.
• Holding a standard when someone important wants an exception. That is the core of good management.
• Thinking in terms of risk. What could go wrong, who has access, where the weak point is. Operations, IT, finance, facilities and insurance all value this.

Proof from my own work: door lessons that became IT lessons

In IT, the approach to controlling access is called Zero Trust. NIST Special Publication 800-207, the U.S. government’s reference document on the subject, describes it as granting no implicit trust to assets or user accounts based solely on their physical or network location or on who owns the device. Every request gets checked. Anyone who has worked a door already understands this. Here are five lessons from the door that became my lessons in IT.

Lesson 1: The list at the door is only a starting point

Every club has a list of people who are not coming back. In IT we have the same thing: IP addresses known to be malicious, accounts flagged as compromised, and sign-ins from countries where the organization does no business. Tools like Conditional Access let you block or challenge those sign-ins before they reach anything.

Those lists are worth having. But the tattoo is the part people miss. A list only works if you can recognize the person when they show up again. On the door, people changed their hair, came with a different group, or used a friend’s ID. Online it’s even easier. An attacker can change IP addresses in seconds or route traffic through a VPN in a “safe” country.

So I treat a blocklist as a starting point, not the whole answer. What I look for is the equivalent of the tattoo: signals that are harder to change.

• Is the sign-in coming from a device we know and manage?
• Does it match how this person normally works?
• Is it asking for more than this role normally needs?

When a few of those don’t add up, the request gets a second look, the same way a familiar face with a different ID would on the door.

Career takeaway: knowing the rules isn’t enough. Noticing what doesn’t fit is the skill people pay for.

Lesson 2: The owner’s friend follows the rules too

Every organization has its version of the owner’s friend. In IT it’s usually the senior executive who doesn’t want multi-factor authentication, the manager who wants a rule turned off because it slows his team down, or the long-time employee whose account has collected access for years because nobody wanted to say no. These exceptions are some of the most common weak spots I see, because they are made for the people with the most access.

Two things from the door apply directly. First, the rules have to cover everyone, including the people close to the owner. Second, the response doesn’t have to be all or nothing. On the door we used a temporary ban. In IT you can limit access for a period, require extra checks, or narrow what an account can do, and explain why. A proportional response is easier to defend, and in my experience it changes behavior more than a fight over a permanent rule.

Career takeaway: holding a standard with powerful people, without wrecking the relationship, is what managers are hired for.

Lesson 3: Check a new site before you connect it

In security work, when your company takes over a new site, you don’t just put your guards in the old posts and carry on. You check how the previous team worked, which keys are out there, who still has access, and whether their way of doing things matches your standards. Until it does, the site is a risk to your whole operation.

The technical side is usually about identity: consolidating old directory domains into one environment, removing accounts nobody can explain, and making sure the people who join keep working while you tighten things. The principle is the one from the new site. You don’t connect a building with unknown keys to your own until you know who holds them.

Career takeaway: asking “who holds the keys?” in a new site or a new job is how you learn any operation fast.

Lesson 4: Nobody gets a master key

In physical security, the most dangerous thing you can hand out is a master key. A cleaning contractor might need to get into every office, but you give them access to the floors they clean, during the hours they work, and you track who holds the key. You don’t give them the key to the safe because it’s easier.

This matters more now that companies want to connect AI tools to their data. Those tools often ask for broad access because it makes them more useful. The door question still applies: what does this actually need to reach, for whom, and for how long? Everything beyond that is risk you’re choosing to carry.

Career takeaway: asking “what does this actually need?” earns trust in any role that controls budgets, access or people.

Lesson 5: Keep a human at the door

If I had to name one thing IT gets wrong that a guard never would, it’s relying too much on technology. Cameras, ID scanners and alarms help, but a person still stands at the door making the final call, and that person notices things no system was set up to catch. A tattoo, for example.

In IT it’s easy to believe that once the policies are set and the tools are deployed, the job is done. Conditional Access, endpoint management and detection tools are powerful, and I rely on them every day. But they do what they were configured to do. They don’t know that an exception was made last year for a reason nobody remembers, or that a request makes sense on paper but not for this person. Alerts still need someone to look at them and decide.

The lesson from the door is to automate the routine checks and keep a person in the loop for the decisions that matter: exceptions, new access to sensitive data, changes to production, and anything that doesn’t add up.

Career takeaway: tools change, but judgment is what keeps you valuable as you move up.

Same decisions, different tools

On the door	In IT	What it protects against
Banned list	Blocked IPs, compromised accounts, location rules	Known bad actors
Recognizing the tattoo	Managed devices, normal behavior patterns	Attackers who change their “face”
Temporary ban for the owner’s friend	Time-limited restrictions, extra checks	Exceptions for powerful users
Vetting a new site	Security review before connecting an acquisition	Inherited weaknesses
No master keys	Least-privilege access for people, apps and AI tools	One compromise exposing everything
A person making the call	Human review of exceptions and alerts	What automation misses

How to use your security job to move up

1. Take on the reports. Clear, honest writing gets noticed in every field.
2. Help train new staff. It shows you can lead before you have the title.
3. Learn scheduling and incident reviews. That’s how supervisors think.
4. Keep a record of what you handle, such as incidents, decisions and problems solved, so you can describe it in interviews.
5. Learn the basics of the field you want next before you apply.

For more on where security work can lead, see all security careers.

If IT is your next step, learn these five basics first

1. Multi-factor authentication (MFA). How it works, and why it should cover everyone, starting with owners and admins.
2. Phishing-resistant sign-in. Hardware security keys, and why codes sent by text can be intercepted or phished.
3. Admin access reviews. Checking who has admin rights and removing what nobody can explain.
4. App permissions. Reading what a new app or AI tool asks to access, and granting the narrowest option.
5. Alert review. Why someone has to read the alerts and decide, not just collect them.

Tools that help

Picked on publisher information and manufacturer specifications, not hands-on testing.

Three key takeaways

1. Security work is training for any career if you treat it that way.
2. The judgment you build on a door, such as noticing what doesn’t fit, holding a standard and limiting access, is what higher-paying roles reward.
3. Take on responsibility at your post now, and learn the basics of the field you want next.