Lead Security Engineer, Detection and Response

Status
Salt Lake City, USA
Full time
Remote
Compensation is not specified
Role
Security Engineer
Description

About the company:

Join Circle, a forward-thinking financial technology firm revolutionizing the way money moves in the digital era. We are spearheading the advancement of financial transactions to be as seamless and cost-effective as sharing any other digital information globally and swiftly. Our cutting-edge infrastructure, which includes USDC, a blockchain-based dollar, empowers businesses, institutions, and developers to embrace this transformative wave in money and technology evolution for enhancing global economic prosperity and fostering inclusivity.

What you'll be involved in:

At Circle, transparency and consistency are the guiding principles shaping our activities. As we elevate, we are extending our footprint to key global regions, emphasizing speed and efficiency as pillars of achievement. Our team lives by our company ethos: Multistakeholder, Mindfulness, Driven by Excellence, and High Integrity. Circlers continually adapt in a virtual realm fueling collaborative success, cultivating an environment rich in diversity and innovation supported by open communication and shared ownership.

Your responsibilities will include:

The Circle Security Team is dedicated to safeguarding Circle, its customers, associates, and the financial realms we operate in. They oversee the company's strategies for information security and cybersecurity, business continuity, and vendor risk management.

In this role, you will spearhead technical response initiatives and address various incidents, working collaboratively to uncover the root cause behind events within our cloud infrastructure (mainly AWS) and codebase. We need someone adept at analyzing logs, coordinating with peers, piecing together solutions, and exhibits a knack for the "aha" moment in problem-solving.

Additionally, you will be tasked with devising detections, ideally, with the ability to upkeep the team's technological stack and log pipelines resourcefully feeding into our security tools.

Your journey will entail a continuous learning curve in an engaging and ever-evolving setting.

Keep in mind, being part of a compact global team means you will be expected to be on call during your work hours to support security operations and provide aid during night time and weekend incidents occasionally.

Here's what you will be focusing on:

  • Responding to incidents and collaborating across teams for resolutions.
  • Officiating in vast multi-stakeholder incidents when required.
  • Formulating and implementing detection-as-code to identify unusual activities and attacks.
  • Spearheading advancements in security incident management, and orchestrating security automation.
  • Cultivating and leveraging ties with peer teams in TechOps, engineering, and product realms.
  • Aiding in the development and implementation of playbooks and response strategies.
  • Participation in a global on-call rotation to address security alerts and incident escalations promptly.

Core values you'll embody at Circle:

  • Multistakeholder: Displaying dedication and commitment to customers, shareholders, employees, local communities, and families.
  • Mindful: Being respectful, attentive, and detail-oriented.
  • Driven by Excellence: Fueled by a passion for customer success, relentlessly pursuing perfection and goal achievement.
  • High Integrity: Prioritizing open and honest communication while holding yourself to elevated moral and ethical standards.

Qualifications we are looking for:

  • Over 5 years of incident response experience within a cloud environment (experience in AWS is a plus).
  • Exceptional technical and leadership proficiency in Incident Response and Threat Detection, with a proven track record as an Incident Commander.
  • Strong communication skills both upward and across teams.
  • Demonstrates creativity in problem-solving.
  • Ability to work cooperatively under pressure with different teams.
  • Proficiency in managing SIEM and SOAR solutions.
  • Capable of handling SQL and preferably knowledgeable in Python or similar languages.
  • Familiarity with standards like ISO 27001/27002 or the NIST Cybersecurity Framework is preferred.
  • Prior experience in financial services or financial technology is desirable.
  • Proficient in Google Suite, Slack, and Apple MacOS.
  • Adequate in managing data from various sources.
  • Ideally situated in Eastern or Central Time Zones.
  • Senior engineers looking for career advancement are encouraged to apply.

Additional details:

  • Initial PERM sponsorship available for eligible candidates.

  • Compensation tailored based on relevant factors including expertise, qualifications, and business requirements, especially in different locations.

    • Base Pay Range: $172,500 - $227,500
    • Annual Bonus Target: 15%
    • Other benefits: Equity, Medical, Dental, Vision, 401(k), discretionary vacation policy, Paid Sick Leave, Paid Holidays.

Embrace our inclusive environment at Circle, where we champion diversity and stand against discrimination of any sort. Circle adheres to the highest ethical and professional standards, rebuffing dishonesty and intolerance in all forms, assessing potential through the lens of skills and abilities.

#LI-Remote
Skills Required
Avatar
Circle
Company size
Not specified
Location
United States
Description
Not specified
Status

More Full-time Jobs

Show more

Product Manager – Portfolio Companies

Full time
Remote
Product Manager – Portfolio Companies
Sirex Portfolio Companies 
Salary: $135,000 – $190,000 USD base + equity 
Location: Remote-first
About the role Own product strategy and roadmap for 1–2 portfolio projects (DeFi protocols, trading platforms or RWA infrastructure).
What you’ll do
Define vision, prioritize features and write specs
Work directly with smart-contract and frontend teams
Design user flows and drive product-market fit
Run user research and iterate fast
Requirements
4+ years Product Management experience
Previous Web3/DeFi product experience mandatory
Strong technical intuition
Apply → Send CV + 1 strongest product case
Payment in Crypto
11,250-15,833
Monthly
See details

Frontend Engineer – Web3 Products

Full time
Remote
Frontend Engineer – Web3 Products
Sirex Portfolio Companies 
Salary: $120,000 – $175,000 USD base + equity 
Location: Remote-first
About the role Build beautiful, high-performance frontends for DeFi, RWA and agent platforms (Next.js + Wagmi/Viem stack).
What you’ll do
Ship trading interfaces, dashboards and wallet flows
Optimize for mobile and lightning-fast UX
Integrate with smart contracts and oracles
Work directly with design and product teams
Requirements
3+ years Next.js / React + TypeScript
Strong experience with Wagmi, Viem, RainbowKit or similar
Web3 product intuition (wallets, transactions, gas UX)
Apply → Send CV + GitHub
Payment in Crypto
10,000-14,583
Monthly
See details

On-Chain Data Analyst

Full time
Remote
On-Chain Data Analyst
Sirex Fund + Portfolio 
Salary: $110,000 – $160,000 USD base + equity 
Location: Remote-first
About the role 
Turn raw blockchain data into actionable investment insights and portfolio monitoring tools.
What you’ll do
Build and maintain Dune dashboards + custom indexers
Track TVL, user activity, token flows and protocol health
Create weekly investment memos and anomaly alerts
Support due diligence with on-chain forensics
Requirements
Strong SQL + Python experience
Deep knowledge of The Graph, Dune, Flipside or custom subgraphs
Previous crypto research or trading background
Apply → Send CV + 1 example Dune dashboard
Payment in Crypto
9,167-13,333
Monthly
See details

Operations Associate / Chief of Staff

Full time
Remote
Operations Associate / Chief of Staff
Sirex Fund Salary: $95,000 – $135,000 USD base + carry Location: Remote-first
About the role Be the right-hand person to partners: run fund operations, portfolio support and internal processes.
What you’ll do
Manage deal flow, data rooms and investment memos
Coordinate portfolio reporting and founder updates
Handle legal, compliance and admin tasks
Support events, LP communication and hiring
Requirements
2–4 years in VC, startup ops or consulting
Extremely organized and fast-moving
Web3/native crypto understanding is mandatory
Apply → Send CV + short note “Why you’d be a great CoS”
Payment in Crypto
7,917-11,250
Monthly
See details

Community & Growth Lead

Full time
Remote
Community & Growth Lead
Sirex Portfolio Companies Salary: $110,000 – $155,000 USD base + equity + token package Location: Remote-first
About the role Own community strategy and growth for 2–3 portfolio projects (AI agents, RWA platforms, DeFi protocols).
What you’ll do
Build and scale Telegram, Discord, X and on-chain communities
Run engagement campaigns, AMAs, airdrops and incentive programs
Create content calendars and growth experiments
Track metrics and report directly to founders
Requirements
3+ years community/growth experience in Web3
Proven track record of growing communities from 0 to 10k+ active members
Strong writing and meme/game theory skills
Apply → Send CV
Payment in Crypto
9,167-12,917
Monthly
See details