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How-To Guide
Updated January 19, 2026
5 min read

How to Become a biologist

Complete career guide: how to become a Biologist

• Reviewed by David Kim

David Kim

Career Development Specialist

8+ years in career coaching and job search strategy

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Key Takeaways
  • You will learn the clear steps to plan education, gain experience, and find work as a biologist.
  • Hands-on lab and field experience is essential and often more valuable than coursework alone.
  • Building skills in data analysis and scientific communication makes you more hireable.
  • Active networking and targeted applications help you move from training to paid roles.

This guide explains how to become a biologist, with practical steps you can follow from first interest to your first job. It covers choosing education, getting hands-on experience, building technical skills, and applying for roles so you know what to do next.

Step-by-Step Guide

Explore fields and set goals for how to become a biologist

Step 1

Decide which area of biology interests you most and why, because biology covers lab research, ecology, conservation, genomics, and more. Clarifying your interest early helps you pick courses and internships that align with career paths.

Talk to people working in those roles to verify day-to-day tasks match your expectations and avoid choosing only by perceived prestige. Research specific job titles like research technician, field biologist, or lab manager, and list the common qualifications each employer asks for.

Keep a short list of three subfields you like and note one concrete reason for each choice so you can compare them later.

Tips for this step
  • Read three job postings for roles you find interesting and highlight required skills and degrees.
  • Talk to at least two current biologists via LinkedIn or informational interviews to ask about daily work.
  • Keep a one-page plan listing subfields, required qualifications, and timeline for your first internship.

Choose an education pathway for how to become a biologist

Step 2

Select the education level that matches your goals, which could be a bachelor's degree for entry-level roles or a master's or PhD for research and academic positions. Pick a program with laboratory courses, fieldwork opportunities, and faculty whose research aligns with your interests to gain relevant experience while you study.

If you need flexibility, consider community college classes or online coursework to cover prerequisites before transferring to a four-year program. Also plan to take complementary classes in statistics, coding for data analysis, and scientific writing, because employers look for those skills in addition to core biology.

Tips for this step
  • Choose programs that list undergraduate research or internships in their descriptions.
  • If cost is a concern, target schools with paid undergraduate research positions or grants.
  • Map your degree requirements early so you can add electives like statistics or GIS before senior year.

Gain hands-on lab and field experience

Step 3

Apply for research assistant positions, paid technician jobs, volunteer roles, or fieldwork to develop practical lab and sampling skills that employers accept as proof of competence. Start by emailing faculty whose papers you read, offering to help with ongoing projects, or look for openings on university job boards and local conservation groups.

While volunteering, focus on mastering a few techniques such as PCR, microscopy, sample collection, or species identification rather than trying to do everything at once. Track what you do in a lab notebook and on your resume with concrete examples like 'ran 100 PCR reactions to genotype samples' to show measurable experience.

Tips for this step
  • Volunteer at local environmental organizations to get field experience without needing a degree early on.
  • Keep a short portfolio of methods you can perform and a one-paragraph summary of each project for interviews.
  • Ask supervisors for a brief reference or LinkedIn recommendation after every 3 months of work.

Build technical skills, data literacy, and scientific communication

Step 4

Develop data skills such as basic statistics, Excel, R or Python, and GIS because modern biology relies heavily on data analysis. Use free resources and short courses to learn these tools, then apply them to your own small projects like analyzing a dataset from a class or public database so you have demonstrable results.

Practice scientific writing by summarizing methods and results from your projects and aim to present at a student symposium or create a short poster to explain your work clearly. Employers and graduate programs value candidates who can both analyze data and communicate findings concisely, so include those examples on your CV.

Tips for this step
  • Complete one small data analysis project and post the code or results on GitHub or a personal site.
  • Use online courses to learn R or Python, then re-run code from a published paper to practice.
  • Write a one-page summary of each project focused on question, method, main result, and next steps.

Network, apply, and launch your career for how to become a biologist

Step 5

Build a professional network through conferences, seminars, professional societies, and university career services to learn about openings and get referrals. Prepare a concise CV, a tailored cover letter for each application, and a short project summary you can send to hiring managers, because targeted materials get more responses than generic applications.

Apply broadly to technician roles, field positions, and graduate programs as appropriate, and follow up politely one to two weeks after applying to show interest and ask about timing. When you get interviews, prepare two to three concise stories that show how you solved a lab problem, collaborated on a team, or managed data so you can answer behavioral and technical questions clearly.

Tips for this step
  • Keep a spreadsheet for every application with role title, link, date applied, contact, and follow-up date.
  • Attend at least one professional meeting or webinar each quarter to meet potential mentors and employers.
  • Prepare and practice two short stories about your hands-on work that you can adapt for interviews.

Common Mistakes to Avoid

Pro Tips from Experts

#1

Volunteer to run one repeatable assay or field method until you can perform it independently, employers notice reliability.

#2

Create a short online portfolio with a project summary, photographs of fieldwork, and code snippets to show practical competence.

#3

Seek mentors in both academia and industry, because they offer different perspectives on career pathways and opportunities.

Conclusion

Becoming a biologist is a stepwise process of choosing a focus, getting the right education, building hands-on experience, and showing your skills through projects and networking. Start with one small action this week, such as contacting a researcher or applying for a lab volunteer role, and build momentum from there.

With steady practical work and clear communication of your abilities, you can move from training into paid biology roles.

Step-by-step guide: Becoming a biologist

1.

  • What to do: Research subfields (ecology, molecular biology, microbiology, conservation) and pick one based on interests and job openings in your region. Use job boards (Indeed, LinkedIn) to see demand—for example, ecology roles in your state or biotech in nearby cities.
  • How to do it effectively: Create a spreadsheet listing 10 job postings and note required skills and degrees. Rank specializations by fit and job availability.
  • Time: 12 months.
  • Pitfalls: Switching specializations too often; avoid spreading coursework too thin.
  • Success indicator: A ranked list and research plan for chosen specialization.

2.

  • What to do: Enroll in a B.S. in biology or a focused program (marine biology, cellular biology). Aim for a GPA3.2 if you plan grad school.
  • How to do it effectively: Take core lab courses each semester; log at least 150 lab hours by graduation.
  • Time: 34 years.
  • Pitfalls: Missing lab-intensive electives; avoid taking too many unrelated electives early.
  • Success indicator: Degree completed with documented lab hours and a transcript aligned to job requirements.

3.

  • What to do: Secure internships, volunteer at field stations, or join a faculty lab. Target 2 internships or 1 long-term lab position.
  • How to do it effectively: Cold-email professors with a 150-word intro and CV; follow up twice.
  • Time: 6 months–2 years cumulatively.
  • Pitfalls: Accepting unpaid roles with little mentorship; avoid roles without clear tasks.
  • Success indicator: One poster presentation, a co-authorship, or documented 300+ hours of research.

4.

  • What to do: Learn lab techniques (PCR, gel electrophoresis), field methods (transects, GPS mapping), and software (R, Python, QGIS).
  • How to do it effectively: Use structured online courses (Coursera, edX) plus practice on independent projects.
  • Time: 612 months parallel to study.
  • Pitfalls: Only learning theory; always pair with hands-on practice.
  • Success indicator: Portfolio of 3 projects and certificates.

5.

  • What to do: Attend conferences, join professional societies (ESA, ASCB), and connect with alumni.
  • How to do it effectively: Prepare a 30-second pitch and follow up within 48 hours with contacts.
  • Time: Ongoing; dedicate 36 hours/month.
  • Pitfalls: Collecting cards without follow-up; avoid passive attendance.
  • Success indicator: Three professional contacts who can provide references.

6.

  • What to do: For MSc/PhD, prepare GRE (if required), statements, and contact potential advisors. For jobs, tailor CVs and cover letters to each posting.
  • How to do it effectively: Track applications with a spreadsheet; customize 80% of each cover letter to the employer.
  • Time: 39 months.
  • Pitfalls: Applying indiscriminately; avoid generic applications.
  • Success indicator: Interviews (25) or at least one admission/offer.

7.

  • What to do: Apply for scholarships, grants (NSF REU for undergrads), or employer tuition assistance.
  • How to do it effectively: Write proposals with clear objectives and a 1-page budget; get 2 reviewers to proof.
  • Time: 16 months.
  • Pitfalls: Missing deadlines; maintain a calendar of grant cycles.
  • Success indicator: Award letter or committed employer support.

8.

  • What to do: Aim to publish or present work; prepare a public-facing summary for outreach.
  • How to do it effectively: Target 1 peer-reviewed paper or 2 conference talks within 2 years of active research.
  • Time: 618 months.
  • Pitfalls: Overlooking data management; establish naming conventions and backups.
  • Success indicator: Acceptance of a manuscript or presentation.

9.

  • What to do: Negotiate role responsibilities, plan 12 year milestones, and enroll in continued training.
  • How to do it effectively: Request a 90-day review and list three measurable goals.
  • Time: Ongoing.
  • Pitfalls: Stagnation; avoid passive career growth.
  • Success indicator: Promotion, expanded responsibilities, or measurable impact (e.g., 15% improvement in sample processing time).

Actionable takeaway: Build a timeline combining education, hands-on experience, and networking; track milestones monthly and aim for measurable outputs (hours, contacts, publications) to prove progress.

Expert tips and pro strategies

1.

  • Track concrete outputs such as number of samples processed per week or PCR success rate. Employers value metrics—record that you processed 200 samples with a 95% success rate.

2.

  • Spend 36 months mastering data wrangling and visualization; create reproducible scripts for common tasks to save 48 hours per week.

3.

  • Submit short data notes or methods papers if your main study is slow; a single data note can increase your visibility by 1020% in niche fields.

4.

  • Start emails with a clear link to the recipient’s work and a single request (e.g., 2-week volunteer slot). Response rates jump from ~5% to ~20% with a concise, targeted message.

5.

  • Keep one for academic applications with publications and techniques; the other highlights impact and soft skills for industry interviews.

6.

  • Use scripts for data cleaning and templates for field datasheets; automation can cut reporting time by half.

7.

  • Use digital lab notebooks (ELN) or Git to record protocols and versions; this saves weeks during manuscript prep.

8.

  • Co-write one small grant to learn budgeting and framing; this experience often accelerates promotions in academia and NGOs.

9.

  • Learn basics of statistics, GIS, and a scripting language; having three complementary skills increases hireability by over 30% in many postings.

10.

  • When joining a lab or company, specify 12 hours/week of mentorship in your onboarding to guarantee feedback and faster skill growth.

Actionable takeaway: Prioritize measurable skills and time-saving workflows—track metrics, automate, and document to accelerate career growth.

Common challenges and how to overcome them

1.

  • Why it occurs: Large lecture loads and limited lab seats.
  • How to recognize: Few logged lab hours and weak practical skills during interviews.
  • Solution: Take a summer REU, volunteer in a lab for 1015 hours/week, or enroll in short intensive wet-lab bootcamps. Preventive: Schedule at least one lab course each semester.

2.

  • Why it occurs: Small sample sizes or missing controls.
  • How to recognize: Repeated failed experiments or inconclusive stats.
  • Solution: Reassess experimental design with a statistician, increase sample size by 2050%, and preregister methods. Preventive: Pilot studies and power calculations before full experiments.

3.

  • Why it occurs: Ad hoc file naming and lack of backups.
  • How to recognize: Lost data or inconsistent file versions.
  • Solution: Implement folder conventions, cloud backup, and Git for code. Preventive: Start projects with a README and version control.

4.

  • Why it occurs: Outreach without genuine follow-up.
  • How to recognize: Few responses or shallow connections.
  • Solution: Offer value first—share a relevant paper, summarize a talk, or volunteer help. Preventive: Keep a contact follow-up schedule and track interactions.

5.

  • Why it occurs: Competitive grants and limited institutional support.
  • How to recognize: Delayed project starts or canceled fieldwork.
  • Solution: Diversify funding—apply to small grants ($1k–$10k), crowdsource, or partner with NGOs. Preventive: Budget contingency of 1020% and apply to multiple small grants early.

6.

  • Why it occurs: CVs emphasize publications over impact.
  • How to recognize: Interview rejections despite strong research record.
  • Solution: Reformat CV to highlight metrics (cost savings, process improvements), complete a short industry internship, and learn industry-relevant software. Preventive: Build a recruiting-style CV while in grad school.

7.

  • Why it occurs: Unpredictable weather, permits, or equipment failure.
  • How to recognize: Frequent schedule changes or lost data.
  • Solution: Create checklists, carry redundant equipment, and obtain permits 36 months in advance. Preventive: Run mock field days and contingency budgets.

Actionable takeaway: Anticipate common bottlenecks by planning pilot studies, organizing data from day one, and diversifying funding and mentorship early.

Real-world examples

Example 1: From undergraduate volunteer to published microbial ecologist

  • Situation: A biology undergraduate at a state university wanted microbial ecology experience but had no formal lab placement.
  • Approach: The student cold-emailed three faculty with a concise 120-word note, volunteered 12 hours/week for a semester, and documented tasks and progress. They paired this with a 6-week online course in qPCR and R.
  • Challenges: Initial errors in DNA extraction led to low yields in the first 30 samples. The student implemented a standardized protocol, increased positive controls from 5% to 15% of samples, and reran low-yield samples.
  • Results: Within 18 months the student co-authored a short communication and processed 420 samples with a PCR success rate of 92%. They secured a PhD offer at a research university.

Example 2: Conservation biologist moving into policy impact

  • Situation: A field biologist in a regional conservation NGO wanted greater policy influence after 6 years of monitoring work.
  • Approach: They compiled 5 years of monitoring data, performed trend analysis in R, and produced a 10-page policy brief with three clear management recommendations. They attended a state legislature briefing and presented results.
  • Challenges: Stakeholders initially mistrusted technical jargon and demanded local economic impact data. The biologist added a 1-page executive summary with local job and tourism impact estimates and collaborated with an economist for a cost–benefit appendix.
  • Results: The agency adopted two recommendations, leading to a 30% increase in protected area funding and hiring of two seasonal technicians. The NGO measured a 25% faster permit approval time over the next year.

Example 3: Industry pivot—biotech lab tech to process development scientist

  • Situation: A lab technician with 4 years in a biotech QC role wanted to move into process development.
  • Approach: They learned Python for data analysis, documented process variance metrics, and proposed a small-scale optimization experiment that reduced reagent use by 12%. They built a one-page impact CV and applied to internal openings.
  • Challenges: Managerial skepticism about the technician’s readiness; the technician secured mentor time by proposing a 3-month pilot with predefined milestones.
  • Results: The pilot met goals in 10 weeks, the technician was promoted, and the company saved an estimated $40k/year in reagent costs.

Actionable takeaway: Combine measurable short-term wins (sample counts, percent improvements) with clear communication tailored to your audience to accelerate career moves.

Essential tools and resources

1.

  • What it does: Records protocols, experiment logs, and inventory with timestamps and version control.
  • When to use: From day one of any project to maintain reproducibility.
  • Cost/limitations: Benchling free tier for academics; premium features require institutional subscription.

2.

  • What it does: Data analysis, visualization, and reproducible reporting with scripts.
  • When to use: For all dataset analysis and figure generation.
  • Cost/limitations: Free; learning curve for advanced packages.

3.

  • What it does: Spatial mapping and habitat analysis.
  • When to use: Field studies, species distribution modeling, or reserve planning.
  • Cost/limitations: Free and open-source; complex workflows need training.

4. Protocol databases (JoVE, protocols.

  • What it does: Detailed, peer-reviewed methods and video demonstrations.
  • When to use: Learning new lab techniques or standardizing methods across teams.
  • Cost/limitations: JoVE is subscription-based; protocols.io has free content.

5.

  • What it does: Organize deadlines, contacts, budgets, and application status.
  • When to use: When applying for multiple grants, internships, or jobs.
  • Cost/limitations: Basic Airtable free; advanced features paid.

6.

  • What it does: Structured courses in bioinformatics, statistics, and lab techniques.
  • When to use: To fill specific skill gaps over 412 weeks.
  • Cost/limitations: Many free audits; certificates often cost $30$100.

7.

  • What it does: Collect and format citations and PDFs for manuscripts.
  • When to use: Writing literature reviews or manuscripts.
  • Cost/limitations: Free tiers sufficient for most users; cloud storage limits apply.

8.

  • What it does: Networking, job postings, conferences, and funding opportunities.
  • When to use: Ongoing career development and job searches.
  • Cost/limitations: Membership fees vary ($25$150/year) but often include job board access and discounts.

Actionable takeaway: Start with a digital lab notebook, R for analysis, and one GIS or protocol resource—add grant trackers and society memberships as your projects scale.

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