Full-Time
Postdoctoral Researcher Biosciences
Updated on 7/29/2026
ExxonMobil
10,001+ employees
Global fuel producer, distributor, stations network
No salary listed
Spring, TX, USA
In Person
On-site role at Spring, Texas; relocation benefits may be available.
 Biology & Biotech (1) |
|---|
Get referred to ExxonMobil
See people who can refer or advise you
- Ph.D. in biochemistry, bioengineering, microbiology, chemical engineering, or a related field.
- Hands-on research experience in biocatalysis, fermentation, enzyme engineering, metabolic engineering, synthetic biology, bioprocess, or environmental/petroleum microbiology.
- Demonstrated ability to design experiments, analyze data, troubleshoot technical challenges, and drive research projects independently.
- Strong track record of technical publications, with interest in continued external scientific engagement.
- Strong written and verbal communication skills, with the ability to communicate technical results to both scientific and non-specialist audiences
- Develop and apply technical expertise across fermentation, enzyme catalysis, bioprocess development, and/or applied & environmental microbiology.
- Design, execute, and analyze microbiology, biocatalysis, and fermentation experiments, integrating molecular and bioinformatics analyses to evaluate performance and scale-up potential of novel pathways
- Evaluate emerging biotechnology opportunities through literature review, economic analysis, and process modeling, while partnering with business teams to identify new opportunities and shape portfolio strategy.
- Prepare and deliver high-quality technical communications, including research reports, technical presentations, external publications, invention disclosures, and patent applications.
- Plan and execute research activities independently while contributing effectively to multidisciplinary project teams, working closely with biologists, engineers, process modelers, and other cross-functional partners.
- Maintain awareness of emerging scientific and industrial trends in biotechnology, biomanufacturing, fermentation, biocatalysis, and synthetic biology.
- Support business-driven biotechnology development in a collaborative, multidisciplinary industrial R&D environment.
- Work across internal research teams, engineering partners, universities, and biotech companies to advance fermentation and biocatalysis technologies from early concept through scale-up and commercialization assessment.
- The postdoctoral position is expected to last one to three years, subject to annual review and renewal.
- Familiarity with bioprocess modeling, industrial bioprocess development and scale-up, or process integration.
- Experience collaborating with external partners such as universities, national laboratories, or biotechnology companies
ExxonMobil operates a global network of Exxon and Mobil fuel stations offering gasoline, diesel, motor oil, and convenience-store items to individuals and commercial customers, and it also supplies wholesale fuels. Customers purchase fuel and related products at stations, use loyalty programs, and may add services like car washes; Alexa voice-pay options are available at many stations to speed transactions. The company differentiates itself with a vast, vertically integrated retail and wholesale network, broad loyalty programs, and technology-enabled payments. Its goal is to provide reliable energy and fuel access worldwide while delivering value through a wide range of services and payment options, maintaining leadership in the energy sector.
Company Size
10,001+
Company Stage
N/A
Total Funding
N/A
Headquarters
Irving, Texas
Founded
1866
Get referred to ExxonMobil
See people who can refer or advise you
Simplify's Take
What believers are saying
- Global operations across 60 countries support broad customer reach and cross-selling.[11]
- Integrated fuels, lubricants, and chemicals enable bundled offerings for fleets and retailers.[1][5]
- Next-generation technologies support higher-value energy and lower-emissions product development.[14][1]
What critics are saying
- Revenue growth depends on Guyana, Permian, and LNG ramps delivering on schedule.[6]
- Golden Pass delays or weak LNG markets would hit a major growth driver.[2]
- Refining and chemicals margins can offset upstream gains during commodity downturns.[1][13]
What makes ExxonMobil unique
- Three business lines centralize technology and engineering for tighter execution.[6]
- Downstream sells over 5.4 million barrels daily across branded retail networks.[3][5]
- LNG is a distinct Upstream business, with Golden Pass cargoes starting in 2026.[2]
Help us improve and share your feedback! Did you find this helpful?
Benefits
Health Insurance
Life Insurance
401(k) Retirement Plan
Competitive compensation
Medical plans
Maternity Leave
Retirement benefits
Annual vacations & holidays
Day care assistance program
Training and development program
Tuition assistance program
Workplace flexibility policy
Relocation program
Transportation facility
Company News
Exxon Mobil shares fell sharply on 8 April despite strong quarterly performance, as US-Iran ceasefire talks eliminated the energy sector's "war premium". Brent crude dropped to its lowest level in nearly a month as the two countries began negotiations in Pakistan. The company disclosed that disruptions in Qatar and the UAE would reduce first-quarter global oil-equivalent production by approximately 2% compared to the fourth quarter of 2025. These Middle Eastern assets represent about 12% of Exxon's total oil production. Preliminary earnings showed approximately $5 billion, or $1.20 per share, compared to adjusted earnings of $7.3 billion in the fourth quarter. Higher oil and gas prices could boost upstream earnings by roughly $1.4 billion, but downstream earnings face a $5.3 billion hit from timing effects related to derivatives and conflict-delayed cargoes.
ExxonMobil has told the SEC that producing its annual Form 10-K requires roughly 20,000 employee hours over six weeks, characterising it as a "considerable undertaking" during the regulator's review of Regulation S-K. However, a return-on-investment analysis reveals the compliance cost is minimal compared to the value it generates. Including legal, executive and board costs, the total 10-K production cost is approximately $15 million — just 0.005% of ExxonMobil's $332 billion 2025 revenues and 0.052% of its $28.8 billion net income. The company spends more on capital investment in a single business day than on the entire compliance exercise. Meanwhile, academic research shows public listing commands a 20-25% premium over private companies. Applied to ExxonMobil's $648 billion market capitalisation, mandatory disclosure through the 10-K enables $130-162 billion in shareholder value — delivering a 19,000-to-1 return on compliance costs.
Exxon Mobil disclosed approximately 6% of global output was lost during the first quarter due to the Iran conflict disrupting Persian Gulf operations, with half the impact from a liquefied natural gas facility in Qatar. Two LNG trains were damaged by Iranian missile strikes, with no clear repair timeline. The company expects a $3.7 billion sequential decline in its energy-products division, though management characterised the impact as temporary. Higher commodity prices are providing offset, with estimated gains of $2.1 billion from crude and $400 million from natural gas. Excluding timing effects, per-share earnings were higher quarter over quarter. The Persian Gulf typically accounts for one-fifth of Exxon's global output. The disruption follows recent growth projects and acquisitions that had lifted production by over 30% in the past three years.
Exxon Mobil shares have surged 34% year-to-date as the Iran conflict pushed Brent crude above $100 per barrel, disrupting traffic through the Strait of Hormuz, which carries one-fifth of global oil and LNG flows. However, XOM stock plunged 5% on 1 April following reports the conflict may end soon, marking its worst single-day drop in over a year. The US International Development Finance Corporation launched a $20 billion maritime reinsurance programme to restore confidence and resume oil tanker traffic. Exxon's fourth-quarter earnings showed EPS of $1.71, beating estimates by 2%, with revenue of $82.31 billion. Net income reached $6.5 billion, though net income growth contracted 14% amid margin pressure. The company currently trades at a premium valuation with a trailing P/E of 23 times.
As the US-Israel war with Iran enters its fifth week, American defence contractors and oil companies are reaping substantial profits whilst consumers face surging petrol prices approaching $4 per gallon. Defence stocks have surged, with Lockheed Martin jumping 25% this year after winning a contract to triple missile seeker production. Oil companies including ExxonMobil, Shell and Chevron have seen share prices rise over 20% as US crude nearly doubled from $65 to over $110 per barrel following Iran's blockade of the Strait of Hormuz. US oil producers could gain an additional $63 billion in profit, according to Rystad Energy. The situation mirrors 2022's Russia-Ukraine crisis, when global oil companies made $916 billion whilst American consumers faced record $5 per gallon petrol prices and 9% inflation.