Principal Account Manager

Trusted Connectivity for AI-Powered Dominance.

Everfox delivers trusted connectivity to protect the world’s most critical environments and safeguard the sensitive data powering decision advantage.

Built for mission-critical operations, Everfox protects what matters most by securing how data moves, how users access it, and how threats are neutralized across every domain. We enable mission speed and secure collaboration across networks, domains, and allies, while ensuring the data powering AI and advanced analytics remains trusted and protected.

We don’t just defend systems; we deliver decision dominance.

• Our Purpose. Protect what matters most by enabling organizations to operate security in the most complex and high-risk digital environments.
• Our Vision. To be the most trusted authority in high-assurance cybersecurity, enabling secure collaboration across every domain.
• Our Belief. Security should never limit mission success – it should enable it.

Our Promise. We deliver absolute confidence in environments where failure is not an option.

TITLE: Principal Account Manager – UK Ministry of Defence (MOD)

Location: London, UK — Hybrid/On-site depending on business needs.

About the Role

Everfox is seeking a Principal Account Manager to lead sales of Everfox's Cross Domain and Insider Risk products and services across the UK Ministry of Defence (MOD). Joining Everfox means becoming part of a fast-growing, highly energised business where the UK plays a central role in our global growth ambitions and long-term strategy. As we continue to expand, the UK market is a core focus area for investment, innovation and market leadership – offering you the opportunity to shape Everfox's position within one of the world's most important defence and security ecosystems.

Based in London, this role centres on owning and growing Everfox's largest, most complex and highest-visibility MOD accounts, while providing leadership, direction and mentorship across the wider UK MOD account team. You will be part of a UK organisation that is empowered, trusted and increasingly influential across Everfox, playing a highly visible role in how we scale, innovate and build momentum within UK Defence.

The ideal candidate will bring an extensive, well-established network across UK MOD, Defence Digital, front-line commands and the wider Defence Industrial Base, together with a deep and nuanced understanding of MOD and government procurement processes. The role demands mastery of advanced sales techniques, strong technical fluency, and a proven ability to operate with full autonomy in closing extremely complex, high-value, multi-year sales campaigns with material revenue responsibility. This is a senior individual contributor role, recognised internally and externally as an expert in Everfox's products and the UK Defence market, with the credibility and network to open doors, shape requirements, and guide others across the sales organisation.

Clearance Required

Developed Vetting (DV) – MOD/UKSV preferred.

Key Responsibilities

• Drive sales growth — generate and win sales of Everfox's products and services across the largest, most complex and highest-visibility MOD accounts, operating with full autonomy and no supervision.
• Own a mature, high-value account base — hold material revenue responsibility across a portfolio of strategically important and tactically critical MOD accounts.
• Develop and convert strategic pipeline — build, manage and prosecute a high-quality, multi-year pipeline from lead generation through to contract award, at pace and scale.
• Shape and influence opportunities at the highest level — engage early and at senior levels in MOD programme lifecycles to position Everfox, influence requirements and maximise win probability.
• Lead complex, matrix sales campaigns — navigate highly complex, centralised and distributed decision-making across MOD, Defence Digital and front-line commands.
• Lead end-to-end execution of extremely complex sales — own the full sales cycle including qualification, pursuit, negotiation and closure, completed with no supervision.
• Provide sales leadership and mentorship — guide, coach and assist Senior Account Managers and Account Managers on critical or complicated MOD sales; may hold a leadership role within the UK MOD account team.
• Lead growth into new and emerging areas — identify and develop new MOD domains, programmes and technology areas ahead of competitors, expanding Everfox's footprint.
• Collaborate to win — work closely with business development, partner teams, technical and delivery teams, and executive leadership to secure strategic opportunities.
• Monitor the competitive landscape — maintain an expert-level understanding of the MOD market, acquisition strategy and competitors to shape positioning ahead of requirements.
• Deliver sales, pipeline and forecast accuracy — achieve targets through disciplined pipeline management, accurate forecasting and regular, data-driven updates at an executive level.
• UK Government/MOD procurement mastery — utilise deep, expert knowledge of government contracting, procurement and acquisition processes to guide strategy and accelerate deal cycles.
• Advocacy and Representation — represent Everfox as the senior, most credible and highly visible partner across the MOD and wider Defence ecosystem.

Candidate Profile – key skills & experience

• Sector Experience — university degree (or equivalent experience) and 12–15+ years of sales experience in software, cyber security, hardware or services, with complete mastery of advanced sales techniques and an extensive track record in National Security and Defence/MOD sales environments.
• Commercial & Contractual Acumen — expert-level sales, commercial, financial and contractual acumen, including extensive work with Tier 1 organisations, platform providers and integrators, with outstanding communication, negotiation and deal-shaping skills.
• Proven Sales Delivery — sustained track record of full sales lifecycle ownership and closure of extremely complex, high-value opportunities (£1M+), completed with no supervision.
• Pipeline Management & Conversion — proven ability to build, manage and proactively progress complex, multi-year pipeline delivering in excess of £20M per annum, demonstrating disciplined follow-up and deal conversion at scale.
• Opportunity Shaping & Influence — recognised expertise in shaping opportunities early and influencing requirements at the most senior levels to improve win probability and positioning.
• Market Access & Entry Strategy — demonstrated mastery of establishing routes to market and navigating barriers to entry within new, restricted or non-domestic environments.
• Stakeholder Influence in Matrix Environments — sustained, proven ability to influence senior and executive stakeholders within complex, matrixed organisations, often without direct authority.
• Working with Partners — extensive experience working with or selling into Global Systems Integrators (GSI), Defence primes, and channel/distributor and reseller networks, with a track record of leading these relationships.
• Defence & National Security Ecosystem Network — large, highly visible network across MOD, Defence Digital, front-line commands and the wider National Security ecosystem, with the ability to open doors rapidly and convert relationships into tangible sales opportunities.
• Programme & Supply Chain Understanding — deep experience leading or selling into large-scale programmes and complex supply chains where decision-making is centralised and execution is distributed.
• Leadership & Mentorship — proven ability to assist, coach and guide others on critical or complicated sales; may hold a leadership role within the account team and contribute to the development of junior sales talent.
• Technical Knowledge — expert, hands-on knowledge of Cross Domain Solutions, Zero Trust and Multi-Level Security technologies.

Personal Attributes

• Proactive, self-motivated and results-driven, with a strong focus on winning business and leading others to do the same.
• Highly organised with the ability to manage multiple complex priorities and accounts concurrently.
• Strategic thinking with the ability to identify and shape opportunities to deliver customers' business case and outcomes.
• A strong desire to travel and be onsite to meet with customers to understand the critical questions they need to answer and locate their biggest pain points.
• High levels of professionalism, integrity and discretion, with the credibility to operate at the most senior levels.
• Strong team player and natural leader, with the ability to collaborate across functions and accounts and mentor junior colleagues.
• Resilient and adaptable in a fast-paced and fun organisation.
• Commercially focused with a strong drive to convert opportunities into revenue, operating with full autonomy and no supervision.

Performance Measures

• Annual revenue target attainment and growth across a mature, high-value account base.
• Pipeline health, velocity and conversion rates (including forecast accuracy) at scale.
• Win rate on strategic, high-visibility opportunities and primes, particularly in multi-country or multi-year campaigns.
• Stakeholder satisfaction and executive-level advocacy across customers, partners and internal teams.
• Quality of opportunity shaping, early engagement and market positioning against competitors.
• Contribution to growth into new and emerging MOD domains.
• Effectiveness of leadership, coaching and mentorship provided to Senior Account Managers and Account Managers.

A reasonable estimate of the on-target earnings ("OTE") for this role is between:

£167,700.00-258,200.00 GBP

The actual salary offered may vary within the range based on a candidates' unique experience, locale, and business needs. In addition to base salary and either bonus or commission, Everfox offers a generous benefits package including competitive annual leave, pension match, PMI, dental, health cash plan, income protection, in a hybrid work environment. Our Talent Acquisition team will provide specific information regarding salary and benefits offerings.

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Don’t meet every single qualification? Studies show people are hesitant to apply if they don’t meet all requirements listed in a job posting. If there is something slightly different about your previous experience, but it otherwise aligns and you’re excited about this role, we encourage you to apply. You could be a great candidate for this or other roles on our team.

Everfox is an equal employment opportunity employer and complies with all applicable federal, state, and local laws prohibiting discrimination. Everfox does not discriminate against any employee or applicant based on race, color, religion, sex, age, national origin, disability, veteran status, marital status, medical condition, or any other category protected by applicable law. If you are a qualified individual with a disability or a disabled veteran, you may request a reasonable accommodation if you are unable or limited in your ability to use or access the Company’s career webpage as a result of your disability. You may request reasonable accommodations by sending an email to [email protected] .

Applicants must have the right to work in the location to which you have applied.

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