Inside Sales Manager (Portsmouth)

Job Title: Inside-sales Development Manager (SDR Manager)

Location: Portsmouth Area (Hybrid – 2–3 days on-site per week)

Reports to: Sales Director / CMO

Department: Sales

Salary: Competitive with performance-based bonus#

About the Company

Our CCaaS (Cybersecurity-as-a-Service) Platform client is a fast-growing managed security services provider that delivers enterprise-grade cybersecurity to mid-market organisations. Their award-winning platform provides a fully managed, expert-led solution that ensures clients are protected against modern cyber threats — without the cost or complexity of managing multiple vendors or tools in-house.

The company offers a comprehensive suite of services including:

• MDR (Managed Detection and Response)
• XDR (Extended Detection and Response)
• EDR (Endpoint Detection and Response)
• SIEM (Security Information and Event Management)
• Penetration Testing & Vulnerability Management
• Governance, Risk & Compliance (GRC) support
• Phishing Simulation & Security Awareness Training
• Data Loss Prevention (DLP)
• Threat Intelligence and Continuous Monitoring

As demand for scalable cybersecurity grows, the business is now investing in its internal sales function and is seeking a Sales Development Manager to lead and expand the SDR team based in the Portsmouth area.

Role Overview

The Sales Development Manager will be responsible for building and leading a high-performing SDR team focused on generating qualified pipeline through outbound prospecting and inbound lead follow-up. Working closely with sales and marketing leadership, this role will help shape and implement the playbook, tools, and culture needed to support a scalable sales engine.

This is a key leadership role for someone who thrives in a fast-paced, high-growth environment and is passionate about developing people, optimising sales processes, and driving measurable impact.

Key Responsibilities

• Hire, onboard, and lead a team of SDRs to generate top-of-funnel leads through outbound and inbound activities.
• Design and execute SDR training programs, sales cadences, and messaging tailored to our client’s solutions (XDR, MDR, EDR, etc.).
• Collaborate with marketing to align lead-generation efforts with targeted campaigns and events.
• Provide ongoing coaching, performance reviews, and career development support for SDR team members.
• Establish KPIs, monitor performance, and drive accountability through regular reporting and analysis.
• Optimise use of sales technology platforms (e.g., HubSpot, Salesforce, Salesloft) for efficiency and transparency.
• Ensure a seamless lead handoff process to the account executive team and continuously improve SQL conversion rates.
• Stay current on cybersecurity industry trends and buyer challenges to improve outreach strategies and messaging.

Key Requirements

• Proven experience managing or growing a high-performing SDR/inside sales team within a B2B SaaS or cybersecurity environment.
• Strong understanding of outbound prospecting strategies, sales pipeline metrics, and demand generation principles.
• Skilled in the use of CRM and sales engagement tools (e.g., HubSpot, Salesforce, Outreach).
• Excellent leadership, communication, and coaching skills.
• Data-driven, highly organised, and process-oriented.
• Familiarity with cybersecurity offerings such as XDR, MDR, EDR, SIEM, and compliance frameworks is highly desirable.
• Comfortable working in a hybrid model with regular presence in the Portsmouth office .

What’s on Offer

• A unique opportunity to lead and scale a critical function within a growing cybersecurity company.
• Hybrid work model (Portsmouth HQ) and supportive leadership team.
• Competitive salary, bonus structure, and fast-track career opportunities.
• Work at the forefront of cyber innovation with solutions that are trusted, tested, and rapidly adopted across regulated industries.

If you're an ambitious and driven Inside Sales Team Lead or SDR Manager — or if you know someone who is — looking for an exciting new opportunity with a fast-scaling CCaaS provider, we'd love to hear from you.

Apply now and help shape the future of a high-growth cybersecurity leader.

Please feel free to share this opportunity with your network!