Networking & Connectivity · Enterprise Networking / Network Operations

Network Administrator

Keep the data moving — the routers, switches, firewalls, and Wi-Fi that connect everything.

NOC TechnicianNetwork Support SpecialistNetwork TechnicianJunior Network Engineer
$73,340 median · Steady — the NOC is a well-known launchpad
~$40,000–$62,000 to start (NOC/junior). U.S. BLS figure for Computer Network Support Specialists (15-1231); a median is the midpoint of everyone employed, so entry pay runs lower. Verify against the live BLS page before deciding.
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What you actually do

You install, configure, and maintain the network that a business runs on. Day to day you watch for outages, trace connectivity problems one hop at a time, configure switches and routers, manage IP addressing and VLANs, and keep firewalls and Wi-Fi healthy. Entry work often starts in a Network Operations Center (NOC), watching dashboards and triaging incidents before they spread.

  • •Check overnight alerts and the monitoring dashboard for anything degraded
  • •Trace a 'the internet is slow in Building C' complaint down to a single switch port or uplink
  • •Configure a new VLAN and update firewall rules for a team that's moving offices
  • •Document the fix in the runbook so the next person can repeat it
  • •Escalate a hardware failure and coordinate the swap with the vendor

What the work feels like

CommunicationMedium
Technical depthHigh
TroubleshootingVery high
Customer contactMedium
On-callVery high
Remote-friendlyMedium

This fits you if…

  • ✓You like methodical, one-thing-at-a-time troubleshooting
  • ✓You're curious about what makes a network fast or slow
  • ✓You're okay with shift work and being the person who fixes things

Less ideal if…

  • −You want strictly 9-to-5, no on-call
  • −You'd rather build new things than keep systems running
  • −You want to avoid deep technical detail
The honest downsides: NOCs run 24/7, so nights, weekends, and on-call pages are normal early on. Alarm fatigue is real, and you can get blamed for outages outside your control. The ladder is slow without certs.

Skills to build

TCP/IP & subnetting fundamentals Foundational The bedrock — how addresses, routes, and ports actually work.
Switching & VLANs Foundational
Routing (static + a protocol like OSPF) Working
Firewall & VPN basics Working
Structured troubleshooting & packet capture Working Isolate faults tier by tier; read a Wireshark trace.
Monitoring & documentation Working
Network automation (Python/Ansible) Emerging A force-multiplier that raises pay and mobility.
TCP/IPOSPF / BGPVLANsWiresharkSolarWinds / PRTGCisco / Juniper / AristaPalo Alto / Fortinet firewalls

Your roadmap

An ordered path from beginner to employable. Certifications are optional checkpoints, not the point — skills and a portfolio are.

  1. 1
    Learn the fundamentals

    TCP/IP, subnetting, switching, VLANs — free via Professor Messer / Cisco Networking Academy. Build a home lab in Packet Tracer.

    Study guide: CompTIA Network+ →
  2. 2
    Prove networking fundamentals

    Earn CompTIA Network+ to get past resume filters for NOC and network support roles.

    Study guide: CompTIA Network+ →
  3. 3
    Go hands-on with real gear

    Study Cisco CCNA — routing, OSPF, ACLs, WAN — and lab everything. This is where you become employable as a network engineer.

    Study guide: Cisco CCNA →
  4. 4
    Specialize and go professional

    Pick a direction — network security, cloud networking, or automation (Python/Ansible) — then formalize it with CCNP Enterprise (ENCOR + a concentration) when senior roles are the target.

    Study guide: CCNP Enterprise →

Certifications for this path

A facet of the path, not the path itself — skills and a portfolio come first.

Cisco CCST Networking First rung (optional)

The $125 confidence checkpoint with free official training — for students and budget starts; committed adults can go straight to Network+/CCNA.

View study guide →
CompTIA Network+ Start here

Vendor-neutral proof of networking fundamentals — the recognized entry signal.

View study guide →
Cisco CCNA Level up

The strong hands-on networking cert; opens more doors and pay once you have the fundamentals.

View study guide →
Juniper JNCIA-Junos Level up (alternative)

The Juniper-side equivalent of CCNA — free official training and deep-discount vouchers make it the cheapest legit routing & switching cert; strong in ISP and service-provider shops.

View study guide →
CCNP Enterprise The professional tier

Where senior network roles start — ENCOR + a concentration, once CCNA-level work is second nature.

View study guide →
CCNP Automation The automation direction

The NetDevOps professional tier — if the Python/Ansible direction from stage 4 becomes your lane, this is its credential.

View study guide →

Try it this weekend

See how packets actually travel and what a NOC watches all day, using commands already on your computer.

Free 60–90 minutes Built-in commands only; optional free Cisco Packet Tracer or Wireshark for a deeper follow-up.

Related paths

SOC Analyst →

Networking knowledge is a direct feeder into security operations.

 Cloud Engineer →

Cloud networking is a natural next step as infrastructure moves to the cloud.

Not sure this is the one?

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