Occupations · Computer and Mathematical
Information Security Engineers
Develop and oversee the implementation of information security procedures and policies. Build, maintain and upgrade security technology, such as firewalls, for the safe use of computer networks and the transmission and retrieval of information. Design and implement appropriate security controls to identify vulnerabilities and protect digital files and electronic infrastructures. Monitor and respond to computer security breaches, viruses, and intrusions, and perform forensic investigation. May oversee the assessment of information security systems.
O*NET 30.3 Database (USDOL/ETA) · occupation code 15-1299.05
What people in this job actually do
Ordered by how important the work is rated.
- Identify security system weaknesses, using penetration tests.
- Coordinate monitoring of networks or systems for security breaches or intrusions.
- Assess the quality of security controls, using performance indicators.
- Scan networks, using vulnerability assessment tools to identify vulnerabilities.
- Train staff on, and oversee the use of, information security standards, policies, and best practices.
- Develop response and recovery strategies for security breaches.
- Conduct investigations of information security breaches to identify vulnerabilities and evaluate the damage.
- Develop or install software, such as firewalls and data encryption programs, to protect sensitive information.
- Oversee development of plans to safeguard computer files against accidental or unauthorized modification, destruction, or disclosure or to meet emergency data processing needs.
- Identify or implement solutions to information security problems.
- Develop information security standards and best practices.
- Recommend information security enhancements to management.
O*NET 30.3 task ratings, importance scale
Skills that matter most
Importance, rated 1 to 5.
O*NET 30.3 skills, importance scale
Software and tools
A dot marks what O*NET flags as in demand.
O*NET 30.3 software skills · hot-technology flag
What your tools are worth
Occupation-based, not posting-based: how much employment, pay and projected growth sit behind each tool. It is not a count of job ads.
| Tool | Value | Spread across occupations |
|---|---|---|
| C# | 88 | 16 → 55 occupations since 2015 |
| Python | 88 | 57 → 132 occupations since 2015 |
| C | 87 | 51 → 69 occupations since 2015 |
What your tools are worth
LockedThe same score for every tool in this occupation, plus the ones you ticked and the ones you did not.
Open in your report →What this work is actually like
Conditions rated against the average across all occupations — only what makes this job different is listed.
O*NET 30.3 Job Zones
Working conditions that stand out
O*NET 30.3 work context, frequency scale · observed 2025-08
How people actually get in
Share of workers by the education they hold.
O*NET 30.2 education, training and experience · observed 2025-08
What kind of person the work suits
Occupational interest profile, rated 1 to 7.
O*NET 30.2 occupational interests (RIASEC)
What you take with you
Skills rated for how well they transfer into other occupations.
O*NET 30.3 transferable skills, importance scale
Knowledge the work draws on
Abilities it leans on
O*NET 30.3 abilities and knowledge, importance scale
How this job is advertised
The same work is posted under many titles — this is what to search for.
O*NET 30.3 job titles reported for this occupation
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What changed since 2022
Comparing O*NET release 27.1 (2022-11-01) with 30.3 (2026-05-01). Signs, not colour alone, carry the meaning.
Now listed 67
No longer listed 1
Diff across the O*NET releases held here in full since October 2015, following occupations through merges and retirements. O*NET re-surveys occupations on a rolling cycle, so “no change” can also mean “not re-surveyed”.
Related jobs
O*NET 30.3 related occupations
Also called
O*NET 30.3 alternative titles
The same work in Europe
| ESCO occupation | ISCO | Match |
|---|---|---|
| ICT security administrator | 2529.5 | close |
| ICT security manager | 2529.7 | close |
| ICT security technician | 3512.3 | close |
| ICT security consultant | 2529.6 | close |
Official ESCO ↔ O*NET crosswalk (ESCO Secretariat with USDOL/ETA)
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