Security Engineer at Accordion

London, England, United Kingdom

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Not SpecifiedCompensation

Mid-level (3 to 4 years)Experience Level

Full TimeJob Type

UnknownVisa

Finance, Private EquityIndustries

Requirements

2+ years of experience in security operations, with demonstrated responsibility for network and cloud environments
In-depth expertise in network management and troubleshooting—including Meraki, multi-vendor LAN/WAN, and cloud-connected scenarios
Working knowledge of scripting/automation (Python, PowerShell, Bash): ability to streamline security operations, automate repetitive tasks, and integrate systems
Proven experience with CrowdStrike (or similar XDR), SIEM platforms, and security tool deployment/integration
Hands-on expertise in network security, cloud security, incident response, vulnerability management, and security tool administration (implied from role overview)

Responsibilities

Manage and operate our XDR platform: triage alerts, conduct investigations, and take response actions
Create security automation through our XDR platform and in our other tools
Configure, review, and enhance our SIEM solution
Assist with vulnerability management: apply threat modeling of identified CVEs, coordinate technical remediation, propose solutions, and document outcomes
Administer email security systems: respond to phishing attempts, maintain and improve filters, investigate suspicious email traffic, and provide quick technical response to threats
Deploy, integrate, and maintain diverse security tools: drive lifecycle management, automation of routine security operations, and ensure seamless integration with existing infrastructure
Support security awareness and technical training: deliver targeted education and assist users in following security best practices
Provide incident response across environments: analyze, contain, document, and automate response processes
Collaborate with IT and security leadership to assess risks and prioritize technical security tasks based on business urgency and threat landscape
Operate and optimize virtualized Layer 7 firewalls (Palo Alto, Fortinet, Juniper, etc.): configure policies, tune rules, and troubleshoot firewall and traffic anomalies
Provide hands-on support for cloud security operations—design, implement, and monitor Azure networking (with emphasis on Azure Network Security Groups), enforce cloud security best practices, assess cloud risks, and collaborate on secure cloud architecture
Administer and optimize network infrastructure, including Meraki environments, with a focus on monitoring, troubleshooting, device configuration, and reviewing network security alerts
Manage end-to-end network troubleshooting: identify, analyze, and resolve network performance and security issues across LAN, WAN, and cloud-connected infrastructure

Skills

Key technologies and capabilities for this role

XDRSIEMVulnerability ManagementIncident ResponseThreat ModelingCVEEmail SecurityPhishing ResponseSecurity AutomationCloud SecurityNetwork Security

Questions & Answers

Common questions about this position

Is this a remote position or does it require office work?

This role is based in the London office with the flexibility to work remotely 1-2 days a week, blending the best of both worlds for efficiency and collaboration.

What are the key responsibilities of the Security Engineer?

Key responsibilities include managing the XDR platform for alerts and investigations, configuring SIEM solutions, vulnerability management, email security administration, deploying security tools, incident response, and optimizing Layer 7 firewalls and Azure cloud security.

What technical skills are required for this role?

The role requires hands-on expertise in XDR platforms, SIEM solutions, vulnerability management, email security systems, Layer 7 firewalls (Palo Alto, Fortinet, Juniper), and Azure networking including Network Security Groups.

What is the company culture like at Accordion?

Accordion offers a high-growth, collaborative, and agile environment with 1,400+ finance and technology experts, and London-based team members have a unique opportunity to drive the business forward in the European market.

What makes a strong candidate for this Security Engineer position?

A strong candidate will have versatile hands-on technical expertise in security functions like network and cloud security, proactive problem-solving skills, adaptability, and experience with tools such as XDR, SIEM, firewalls, and Azure.

Accordion

Financial consulting for private equity

About Accordion

Accordion provides financial consulting services and technology solutions specifically for the private equity sector. Their main product, Maestro, is a technology platform that helps private equity firms standardize and enhance their value creation strategies. Accordion's consultants collaborate closely with management teams to improve the finance function, ensuring that projects are executed flawlessly. Unlike other consulting firms, Accordion focuses solely on the needs of the CFO's office within private equity, allowing them to offer specialized insights and practices. The company's goal is to drive value creation for their clients by combining expert consulting with effective technology solutions.

New York City, New YorkHeadquarters

2009Year Founded

$25KTotal Funding

PRE_SEEDCompany Stage

Consulting, Enterprise Software, Financial ServicesIndustries

501-1,000Employees

Benefits

Hybrid Work Options

Flexible Work Hours

Risks

Accordion faces increased competition from other fintech consulting firms.

Rapid technological changes may challenge Accordion's integration capabilities.

Accordion's reliance on private equity clients makes it vulnerable to market downturns.

Differentiation

Accordion focuses exclusively on the Office of the CFO for private equity firms.

Maestro platform institutionalizes private equity value creation, unique in the consulting space.

Accordion combines financial consulting with technology enablement, offering a comprehensive service suite.

Upsides

Accordion's acquisition of Merilytics enhances its data and analytics capabilities.

Strategic growth investment from Charlesbank and Motive Partners accelerates Accordion's expansion.

Increased demand for digital transformation in private equity aligns with Accordion's services.

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