Atrium (EMEA)

About the Company

Understanding the complexities of the work landscape and how to utilise the extended workforce to drive organisational success is our expertise. Whether you need access to inspired talent or help designing and managing a scalable contingent workforce programme, we have proven solutions and services, custom-designed to solve your business challenges.

Listed Jobs

Company Name

Atrium (EMEA)

Job Title

Senior Executive Administrative Assistant

Job Description

**Job title:** Senior Executive Administrative Assistant **Role Summary:** Provide executive‑level administrative support to a senior leader and a team of investment bankers, ensuring seamless day‑to‑day operations, effective communication, and high‑quality service to internal and external stakeholders. **Expectations:** - Deliver professional, proactive support in a fast‑paced investment banking environment. - Maintain confidentiality and discretion with sensitive information. - Work independently and collaboratively, adapting to changing priorities. - Demonstrate reliability, polished demeanor, and strong organizational skills. **Key Responsibilities:** - Manage comprehensive diary and schedule internal/external meetings. - Coordinate complex domestic and international business travel. - Arrange multi‑time‑zone conference and video calls. - Process expense reports via Concur in line with policy. - Build knowledge of senior leadership priorities, client portfolios, and workflows. - Establish and maintain effective communication with stakeholders at all levels. - Manage senior leaders’ inboxes, prioritise email responses, and handle complex queries. - Conduct professional telephone responses and triage incoming calls. - Plan and support team off‑sites, internal events, and other corporate functions. - Provide coverage for administrative staff during leave or peak periods. **Required Skills:** - Proven experience supporting senior leaders and multiple bankers in an investment banking or financial services setting. - Strong verbal and written communication; confident stakeholder engagement. - Advanced proficiency in Microsoft Outlook, Word, Excel, & PowerPoint. - Ability to multitask, prioritise, and manage competing deadlines under pressure. - Highly professional, reliable, polished, and self‑motivated. - Adaptable, proactive, and capable of independent and team collaboration. - Legal right to work in the United Kingdom. **Required Education & Certifications:** - Bachelor’s degree in Business Administration, Finance, or a related field preferred; equivalent professional experience acceptable. - No mandatory certifications required.

London, United kingdom

On site

Senior

26-11-2025

Company Name

Atrium (EMEA)

Job Title

Data Analyst – Capital Appropriations

Job Description

**Job Title** Data Analyst – Capital Appropriations **Role Summary** Provide operational and financial support for capital appropriation requests and asset processes. Track actual expenses versus projections, manage payment settlements, oversee asset creation and capitalization, and resolve invoice disputes. Maintain comprehensive documentation and collaborate across Finance, Procurement, and Operations. **Expectations** - Deliver accurate, timely reconciliation of capital appropriation data. - Ensure compliance with company policies and accounting standards. - Manage multiple tasks and meet deadlines in a fast‑paced environment. - Communicate effectively with cross‑functional stakeholders to resolve issues. **Key Responsibilities** - Track and manage capital appropriation requests for timely approvals and accurate recordkeeping. - Monitor actual expenditures versus projections to support effective budget control. - Pursue outstanding payments and ensure timely settlement of financial commitments. - Oversee the creation and capitalization of new assets for financial reporting and operational tracking. - Resolve invoice disputes by collaborating with stakeholders and following through to completion. - Maintain comprehensive documentation of all workflows, transactions, and correspondence. - Collaborate cross‑functionally with Finance, Procurement, and Operations to enhance processes and resolve issues promptly. **Required Skills** - Strong analytical and organizational abilities. - Excellent written and verbal communication skills. - Proficiency in ERP/accounting systems (SAP preferred). - Ability to manage multiple tasks and meet deadlines. - Attention to detail and accuracy in data handling. **Required Education & Certifications** - Bachelor’s degree in Finance, Accounting, Business Administration, or a related field. - Professional accounting certifications (e.g., ACCA, CIMA, CPA) are a plus.

Chester, United kingdom

Hybrid

26-11-2025

Company Name

Atrium (EMEA)

Job Title

Mainframe Assembler Engineer

Job Description

Job title: Mainframe Assembler Engineer Role Summary: Deliver operational support and technical change for IBM z/OS mainframe services, focusing on Assembler, CICS, and MQ components. Provide incident resolution, performance tuning, and upgrade support while ensuring 24/7 service availability and adherence to ITIL governance. Expectations: • Provide expert support for Assembler, CICS, and MQ systems in a high‑availability environment. • Conduct root‑cause analysis for production incidents, abends, and performance issues. • Participate in a 24×7 on‑call rotation and support out‑of‑hours deployments. • Maintain and optimise JCL batch, message handling, and transaction performance. • Ensure compliance with ITIL, risk controls, and ServiceNow processes. • Support upgrades, migrations, and change delivery across the mainframe estate. Key Responsibilities: - Develop and modify HLASM code for releases and transformation initiatives. - Troubleshoot incidents using Abend‑Aid, File‑Aid, Omegamon, IPCS, and similar tools. - Administer IBM MQ on z/OS, including channel security and performance tuning. - Collaborate with COBOL, DB2, and infrastructure teams on integrated solutions. - Contribute to test support, release validation, and deployment readiness. - Provide technical input in design reviews and documentation. Required Skills: • Proficient in IBM High Level Assembler (HLASM) development and support. • Strong knowledge of CICS, IBM MQ (v9.x+), JCL, VSAM, and batch processing. • Experience with incident resolution tools: Abend‑Aid, File‑Aid, Omegamon, IPCS. • MQ administration and performance tuning on z/OS. • Familiarity with COBOL, DB2, and cross‑component troubleshooting. • Understanding of TLS, MQ channel security, and mainframe security compliance. • Automation and scripting: JCL utilities, REXX, Shell, Ansible, UrbanCode. • Excellent communication and collaboration skills. Required Education & Certifications: • Relevant mainframe qualification or equivalent experience (e.g., IBM z/OS Operating System Engineer, CICS, or MQ certification preferred).

England, United kingdom

Hybrid

28-11-2025

Company Name

Atrium (EMEA)

Job Title

Data Annotator Analyst – AI / Machine Learning – Expedia Group

Job Description

Job title: Data Annotator Analyst – AI / Machine Learning Role Summary: Assist AI/ML model development by annotating and validating datasets, ensuring data quality, and collaborating with data scientists and engineers to optimize model performance. Expactations: Provide accurate, guideline‑compliant annotations; analyze data for improvement opportunities; refine annotation processes; manage datasets with annotation tools; perform basic data processing tasks. Key Responsibilities: • Annotate and label datasets for AI/ML use cases. • Apply and enforce annotation guidelines to maintain consistency and accuracy. • Analyze annotated data to uncover patterns, detect issues, and suggest enhancements. • Collaborate with data scientists and ML engineers on annotation strategy refinement. • Utilize annotation tools such as Label Studio to manage and review datasets. • Execute basic data processing and validation using Python and related technologies. Required Skills: • Minimum 2 years’ experience annotating datasets for AI/ML projects. • Proficiency with annotation platforms (e.g., Label Studio). • Strong attention to detail and analytical mindset. • Ability to work independently and in cross‑functional teams. • Basic programming knowledge in Python (preferred). • Experience with PySpark and AWS cloud‑based data workflows is an advantage. Required Education & Certifications: • Bachelor’s degree in a related field (e.g., Computer Science, Data Science, Statistics).

London, United kingdom

Hybrid

Junior

07-01-2026