Tech careers, by the numbers
What tech jobs pay, where they are growing, and how people get hired.
Mojolin tracks 14 tech roles with official U.S. Bureau of Labor Statistics data, compares the certifications employers ask for, and publishes plain guides for job seekers and for the teams hiring them.
What 14 tech roles pay
The bar spans the middle 80% of earners, from the 10th to the 90th percentile. The dark mark is the median. Hover a row for exact figures.
$100k$200k$300k
IT manager$175k
$140k
$136k
$134k
$129k
$120k
$106k
$105k
$102k
$100k
$99k
$93k
$90k
$62k
Certifications employers ask for
Prices, exam length and renewal rules, checked against each vendor's own pages.
| Certification | Exam price | Exam time | Valid for | |
|---|---|---|---|---|
| CompTIA Linux+CompTIA | Linux & open source | $399 | 90 min | 3 years |
| Red Hat Certified System Administrator (RHCSA)Red Hat | Linux & open source | $500 | Not published | 3 years |
| Cisco Certified Network Associate (CCNA)Cisco | Networking | $300 | 120 min | 3 years |
| CompTIA Security+CompTIA | Security | $439 | 90 min | 3 years |
| AWS Certified Solutions Architect – AssociateAmazon Web Services | Cloud | $150 | 130 min | 3 years |
| Certified Kubernetes Administrator (CKA)The Linux Foundation / CNCF | DevOps | $445 | 120 min | 2 years |
Guides
All guides →
Career PathsHow to get into cybersecurity: the routes that workMost security analysts start in IT support, sysadmin or networking. The skills, roles and certifications that come first, plus BLS pay and job outlook.7 min read
Career PathsLinux system administrator career: where the work wentWhat Linux sysadmin work looks like now, what the BLS projected decline means, the skills worth learning, and how admins move into DevOps, SRE and cloud.7 min read
Pay & NegotiationTech salary negotiation: anchor your number with real dataHow to set a salary anchor from BLS percentile pay, weigh base, bonus and equity, answer the expectations question, and negotiate without a rival offer.8 min read
Hiring TeamsHow to hire software developers: a guide for foundersDefine the role, set a pay range from BLS data, source candidates, run a fair process that tests real skill, and make offers that get accepted.8 min read