Senior Payroll & Tax Specialist



Accounting & Finance
Reston, VA, USA
Posted on Tuesday, January 2, 2024

Founded by mathematicians and cyber defense experts in 2013, Darktrace is a global leader in cyber security AI, delivering complete AI-powered solutions in its mission to free the world of cyber disruption. We protect more than 8,400 customers from the world’s most complex threats, including ransomware, cloud, and SaaS attacks.

Our roots lie deep in innovation. The Darktrace AI Research Centre based in Cambridge, UK, has conducted research establishing new thresholds in cyber security, with technology innovations backed by over 130 patents and pending applications. The company’s European R&D center is located in The Hague, Netherlands.

Headquartered in Cambridge, UK, Darktrace has more than 2,400 employees located globally. Customers include public sector agencies, education institutions, media, organizations supplying critical infrastructure, and businesses of all sizes worldwide.

This is an excellent opportunity to join a fast-growing company, named one of TIME magazine’s “Most Influential Companies” for 2021 and one of Fast Company’s “Most Innovative AI Companies” in 2022. For more information on our cutting-edge technology, visit

Job Summary

We are expanding our US-based payroll team and seeking an experienced payroll professional to collaborate with our global HR and Finance teams. This is a high-performing team operating in an evolving environment, so individuals optimizing for growth opportunity in their next role are encouraged to apply.

Location - Reston, Virginia. Please note, this is a hybrid role and requires working onsite at least two days per week.

Key Duties & Responsibilities

  • Overall responsibility of the payroll processing for the US and Canada.
  • Work with the wider Finance and HR team to ensure all payroll inputs are gathered in a timely manner and processed appropriately.
  • Assist with implementation of Workday Payroll.
  • Knowledge of payroll taxes including federal, state, local and paid family leave.
  • Review and resolve all payroll tax communications, including liaising with tax agencies with regards to penalties, waivers and tax clearances
  • Perform routine payroll tax profile audits on all existing state filings.
  • Work with federal, state and local agencies to set up new accounts as needed.
  • Assist with any audits relating to payroll by providing records and documentation, including 401k.
  • Prep and process workers comp audits in the US.
  • Prep and process quarterly Canada workers comp, and employer health tax.

Qualifications & Experience

  • 5+ years of working in a similar role in the US with multi state/multi location payroll (800-1000+ employees).
  • Experience with payroll tax enquires and setting up new accounts with local agencies.
  • Proficient in Excel, outlook and other Microsoft softwares.
  • Extensive knowledge of the payroll function including preparation, balancing, internal control and payroll taxes.
  • Understanding of state workers compensation and disability laws.
  • Subject matter expert in both payroll and payroll taxes.
  • Well organised and attention to detail.
  • Analytical and good at problem solving.
  • Ability to meet strict deadlines.
  • Ability to be self-motivated and diligent in own work.
  • Ability to maintain strict confidentiality and exercise extreme discretion.
  • Bachelor’s degree in Business, Finance, HR or related field is required. Certifications in CPP, PHR, SPHR, SHRM-CP, SHRM-SCP is preferred.


  • 100% medical, dental and vision insurance, plus dependents
  • Paid parental leave
  • Pet insurance
  • Life insurance
  • Commuter benefits
  • 401(k)