Security Operations Analyst (Assistant Vice President) in London

JOB DESCRIPTION

Jefferies, the global investment banking firm, has served companies and investors for almost 60 years.

Headquartered in New York with its European head office in London, the firm provides clients with capital markets and financial advisory services, institutional brokerage and securities research, and asset management.

Jefferies provides research and execution services in equity, fixed income, foreign exchange, and a full range of investment banking services including underwriting, merger & acquisition, restructuring and recapitalisation and other advisory services, with businesses operating in the Americas, Europe and Asia.

Company

Jefferies, the global investment banking firm, has served companies and investors for almost 60 years.

Headquartered in New York with its European head office in London, the firm provides clients with capital markets and financial advisory services, institutional brokerage and securities research, and asset management.

Jefferies provides research and execution services in equity, fixed income, foreign exchange, and a full range of investment banking services including underwriting, merger & acquisition, restructuring and recapitalisation and other advisory services, with businesses operating in the Americas, Europe and Asia.

Job Description

We are seeking a motivated and technically proficient Senior Security Operations Analyst to join our Global Security Operations Centre.

The ideal candidate will possess strong analytical skills, solid knowledge in cybersecurity, networking, cloud technologies, security frameworks such as NIST and/or MITRE ATT&CK, and hands‑on experience with enterprise security tools and platforms.

This role requires a minimum of 4 years of experience in security operations.

Key Responsibilities

• Monitor, detect, investigate, and respond to security events and incidents across the firm's global infrastructure.
• Perform in-depth analysis of security alerts from multiple security to determine scope, impact, and root cause.
• Manage and respond to cybersecurity incidents, ensuring timely escalation, containment, and thorough documentation.
• Utilize Endpoint Detection and Response (EDR) solutions such as Crowd Strike and Microsoft Defender to investigate endpoint-level threats and suspicious activity.
• Leverage SIEM technology for security monitoring, log correlation, threat hunting, and development of detection rules.
• Utilize email security solutions to investigate and respond to phishing and other email-based threats.
• Monitor Data Leak Protection (DLP) tools and investigate potential unauthorized data exfiltration events.
• Conduct threat hunting activities using MITRE ATT&CK framework to proactively identify adversary techniques within the environment.
• Collaborate with IT, Infrastructure, networking, and application teams to investigate security events and support remediation efforts.
• Participate in security assessments, vulnerability assessments, and penetration tests to identify and mitigate potential risks.
• Contribute to the development and refinement of security playbooks, runbooks, and standard operating procedures.
• Review firewall and network security policy requests, providing security analysis and recommendations.
• Support and mentor junior SOC Analysts, contributing to a culture of continuous learning and improvement.
• Serve as a senior point of contact during shift operation, triaging escalations and coordinating analyst workload when delegated by SOC leadership.

Qualifications

• 4 years+ of experience in cyber security operations, preferably in a financial services environment.
• A bachelor’s degree in computer science, Information Technology, Cybersecurity, or a related field.
• Strong communication skills with the ability to effectively convey security findings to both technical and non-technical stakeholders.
• Ability to work independently and make sound decisions under pressure.
• High level of integrity and confidentiality.
• Strong analytical and problem‑solving skills with the ability to think critically during high-pressure incidents.
• Solid knowledge of networking principles and protocols.
• Familiarity with securing and using AI technologies.
• Experience with cloud platforms such as AWS and Azure.
• Hands‑on proficiency with cybersecurity tools and technologies, including EDR solutions, firewalls, and DLP strategies.
• Experience with email security solutions such as Proofpoint.
• Experience with Splunk for security monitoring and analysis.
• Relevant certifications such as GCIH, GCIA, CISSP, or OSCP are highly desirable.

About Us

Jefferies is a leading global, full-service investment banking and capital markets firm that provides advisory, sales and trading, research, and wealth and asset management services.

With more than 40 offices around the world, we offer insights and expertise to investors, companies, and governments.

At Jefferies, we believe that diversity fosters creativity, innovation and thought leadership through the infusion of new ideas and perspectives.

We have made a commitment to building a culture that provides opportunities for all employees regardless of our differences and supports a workforce that is reflective of the communities where we work and live.

As a result, we are able to pool our collective insights and intelligence to provide fresh and innovative thinking for our clients.

Jefferies is an equal employment opportunity employer, and takes affirmative action to ensure that all qualified applicants will receive consideration for employment without regard to race, creed, color, national origin, ancestry, religion, gender, pregnancy, age, physical or mental disability, marital status, sexual orientation, gender identity or expression, veteran or military status, genetic information, reproductive health decisions, or any other factor protected by applicable law.

We are committed to hiring the most qualified applicants and complying with all federal, state, and local equal employment opportunity laws.

As part of this commitment, Jefferies will extend reasonable accommodations to individuals with disabilities, as required by applicable law.

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