Job Title – Security Support
Location: Tewkesbury
Job ID: 36291
About this opportunity and L3Harris UK
We have a new opportunity for an experienced crypto‑custodian professional to join our Global Spectrum Superiority UK Division. The role is responsible for managing the receipt, safe custody, whole‑life accounting, and control of all cryptographic items supplied for use by the company at its approved locations. Providing assurance to Senior Leadership that cryptographic assets are managed in full compliance with UK national standards, MOD policies, and L3Harris procedures.
A few of our employee benefits are:
* £3,000 to £6,000 DV Bonus – please note this level of clearance isn’t essential for this role. This bonus is subject to individual clearance and project requirements – discussed upon application.
* Half day finish on a Friday
* 25 days holiday per year (plus bank holidays), increasing with long service and with the opportunity to buy/sell up to 5 days
* Private medical insurance with optional family cover
* Pension scheme of up to 8% employer contribution
* Life Assurance 4x salary (flexible up to 10x)
* Group income protection
* Flexible opt‑in extras such as a health care cash plan, dental insurance, gym membership, critical illness cover, cycle to work scheme, travel insurance and electric car scheme
* Employee Family Assistance Program providing mental health and wellbeing support
* Professional membership reimbursement (discretionary)
What the role will involve
The responsibilities of your role will include the following:
* Define and manage the crypto plan (policies, registers, audits, incident management process and governance). Ensure they are kept up to date in line with JSP490/IS4 updates and in full compliance with UK national standards.
* Ensure a defined escalation pathway and take action on any suspected or actual breach of security in line with national and company policy. Investigate and report crypto incidents or compromises, liaising with authorities as required.
* Manage cryptographic items including controlling, storing, accounting for, and disposing of cryptographic material (physical and digital) throughout its lifecycle across multiple sites. Do so in accordance with national regulations to protect against the possibility of a breach of security or compromise.
* Maintain accurate records, inventories, and logs in line with national regulations and L3Harris requirements. Devise an effective tracking system for all cryptographic items on their charge and undertake internal musters.
* Ensure suppliers understand and comply with national regulations and L3Harris requirements. Brief, train and audit third‑party suppliers as appropriate.
* Provide international support to L3Harris’ growing base of customers in respect of provision, return and repair of cryptographic materials. Ensure compliance with international Export Control restrictions in place for cryptographic materials.
* Support accreditation and assurance activities for cryptographic systems, including leading internal audits and external inspections. Address findings and implement corrective actions as required.
* Work with Operations and internal stakeholders to provide key and cryptographic material in line with customer requirements and manufacturing timelines.
* Lead and provide SME guidance to business stakeholders, including briefing, debriefing, and training users to ensure they understand crypto responsibilities, alongside a clear governance process. Promote awareness and training to embed a culture of crypto security across the organisation.
* Develop and maintain close relationships with external and customer stakeholders, providing SME guidance as required. Act as the point of contact for UK authorities on cryptographic matters.
* Manage assigned team members, ensuring effective tasking, compliance and delegation of responsibilities where appropriate. Provide opportunities for learning and development.
* Manage the crypto authorisation and annual re‑certification of cryptographic staff ensuring provision meets business requirements.
What you’ll bring
The role requires the following experience and skills:
* Previous experience in cryptographic account management; prior roles as a Crypto Custodian for MOD, other government agencies or relevant industry is desirable.
* Prior application and understanding of UK Defence security frameworks (JSP 440, JSP 490, HMG IS4).
* Experience leading compliance, audits and incident reporting within a high‑security environment.
* Will be required to undergo formal Crypto Security Training.
Important to know
Due to the nature of our work many of our roles require a UK nationality and the ability to obtain a security clearance. Applicants who accept a conditional offer of employment must meet the requirement of right to work in the UK and must meet eligibility requirements for access to classified information and will be subject to government security checks.
L3Harris Technologies is proud to be an Equal Opportunity Employer. We are committed to maintaining a workplace that is free from unlawful discrimination and offers equal opportunities for all. Applications from individuals are encouraged regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion or belief, and marriage and civil partnerships.
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