Network and Voice Engineer

Network and Voice EngineerLondonUnited KingdomInformation Technology

ADM unlocks the power of nature to enrich the quality of life. We're a premier global human and animal nutrition company, delivering solutions today with an eye to the future. We're blazing new trails in health and well-being as our scientists develop groundbreaking products to support healthier living. We're a cutting-edge innovator leading the way to a new future of plant-based consumer and industrial solutions to replace petroleum-based products. We're an unmatched agricultural supply chain manager and processor, providing food security by connecting local needs with global capabilities. And we're a leader in sustainability, scaling across entire value chains to help decarbonize our industry and safeguard our planet. From the seed of the idea to the outcome of the solution, we give customers an edge in solving the nutritional and sustainability challenges of today and tomorrow. Learn more at www.adm.com

The Role

An opportunity has arisen within the ADM Investor Services business for a Network & Voice Engineer, based in the City of London. The role will report to the UK Infrastructure Manager, working locally with the business & IT team and globally as part of the Global Infrastructure team. The Network & Voice Engineer is responsible for designing, implementing, maintaining, and supporting the firm's network, data, voice, and unified communications infrastructure. This role ensures high availability, security, and performance of network and voice systems while providing technical expertise for new projects, upgrades, and troubleshooting complex issues.

Your Responsibilities

The main responsibilities of this role will include:

Network Engineering & Support:

• Design, configure, and maintain but not limited to LAN, WAN, WLAN, and VPN infrastructure.
• Manage routing, switching, and firewall configurations (Cisco).
• Monitor network performance, capacity, and security using tools such as SolarWinds, or similar.
• Troubleshoot and resolve connectivity and performance issues.
• Implement network security best practices
• Collaborate with vendors and ISPs to ensure reliable connectivity and timely issue resolution.
• Manage and maintain network connectivity between vendors/sites/ISP for current and future connectivity.

Voice Engineering & Support:

• Design, configure, and maintain Voice Phone systems, including but not limited to call queues, extensions, call routing, call recording
• Manage integrations between Voice Phone systems and PSTN providers, including but not limited to SIP trunks and Session Border Controllers (SBCs)
• Support provisioning and number management (DIDs, porting, and user assignments).
• Maintain and troubleshoot Phone appliances, IP phones, Mobile Voice Apps
• Ensure compliance with voice security, privacy, and regulatory requirements

General / Cross-Functional:

• Participate in network and voice architecture planning, capacity forecasting, and documentation.
• Ensure compliance with IT security policies, data protection standards, and industry regulations.
• Provide tier-3 support for escalated network and voice incidents.
• Maintain accurate documentation of network topology, configurations, and changes.
• Support disaster recovery and business continuity planning related to voice and network systems.
• Assist in the development of policies and best practices for unified communications.
• Participate in technology roadmaps, upgrades, and optimization initiatives.
• Participate in out-of-hours work as required by the role.

Your Profile

The successful candidate will possess the following:

Required Skills & Qualifications

• Bachelor's degree in Computer Science or a related field, and 5+ years of hands-on network engineering experience.
• Cisco certification (CCNA or CCNP preferred) with a strong, practical understanding of network technologies.
• Excellent verbal and written communication skills.
• Proven analytical and problem-solving abilities.
• Ability to collaborate effectively and communicate across all levels of the organisation.

Desirable Qualifications

• Cisco CCIE certification.
• Proficiency with BGP, OSPF, Multicast, VPN, Cisco Routers, Switches, FTD, Wireless LAN Controllers, and Access Points.
• Experience with VoIP technologies.
• Scripting and automation experience (Python, Ansible, or similar).
• Prior experience in the financial services industry.

Your Future Perspective

• Challenging tasks, short decision-making processes and a high level of personal responsibility in a modern work environment with flexible work time models.
• Room for innovative thinking and growth with the possibility to manage your own career path.
• A company culture which promotes continuous learning and diversity. To assist with this all colleagues are able to join our Women's and Multicultural Employee Resource Groups, and the ADM Pride Employee Network and the Young Professionals Network. As well as the company wide mentorship programme as mentor or mentee.
• Excellent career opportunities in a world leading nutrition company.
• An attractive remuneration including a variety of social benefits like subsidised health & fitness offers.
• ADM is a company where managers and colleagues are encouraged to discuss and enable the flexibility that is needed to meet the demands of work and life.
• Additional benefits and support for maternity and paternity leave.
• ADM are an advocate of having a workforce who are aware of their mental health. In addition to our network of Mental Health First Aiders, all new starters to the business will be enrolled in 'Mental Health Aware' training within three months of joining the business.

Learn more about ADM at www.adm.com.

We are proud to be an equal opportunity workplace and value diversity at our company to encourage a diverse range of perspectives, skills, experience and knowledge within our business. To assist with this the Company has established a UK Diversity forum to support participation of underrepresented groups in the workplace. If you feel this job is for you, unlock your potential and apply now online informing us about your earliest possible entry date and salary expectation. By applying for this position, you agree to ADM's privacy notice.#IncludingYou

Diversity, equity, inclusion and belonging are cornerstones of ADM's efforts to continue innovating, driving growth, and delivering outstanding performance. We are committed to attracting and retaining a diverse workforce and create welcoming, truly inclusive work environments - environments that enable every ADM colleague to feel comfortable on the job, make meaningful contributions to our success, and grow their career. We respect and value the unique backgrounds and experiences that each person can bring to ADM because we know that diversity of perspectives makes us better, together.

For more information regarding our efforts to advance Diversity, Equity, Inclusion & Belonging, please visit our website here: Culture, Engagement & Inclusion | ADM.

About ADM

At ADM, we unlock the power of nature to provide access to nutrition worldwide. With industry-advancing innovations, a complete portfolio of ingredients and solutions to meet any taste, and a commitment to sustainability, we give customers an edge in solving the nutritional challenges of today and tomorrow. We're a global leader in human and animal nutrition and the world's premier agricultural origination and processing company. Our breadth, depth, insights, facilities and logistical expertise give us unparalleled capabilities to meet needs for food, beverages, health and wellness, and more. From the seed of the idea to the outcome of the solution, we enrich the quality of life the world over. Learn more at www.adm.com.113781BR#LI-DNI 3391513No5429553210.00.029-Sep-2026