6 jobs in Sierra Nevada Corporation Mission Systems UK

Sierra Nevada Corporation Mission Systems UK is looking for a talented Electrical Engineer to join their team in St Athan, The Vale of Glamorgan. This role is pivotal in the design and development of cutting-edge aerospace technologies. The position offers a full-time employment opportunity with a competitive salary ranging from £31,740 to £47,610, a performance-based bonus, and benefits fostering professional growth.

Join a leader in aerospace innovation and contribute to impactful projects in a supportive environment that values diversity and inclusion.

IT Support and Information Assurance Specialist

Location: St Athan, The Vale of Glamorgan, United Kingdom

Salary: Competitive salary dependant on experience

Contract Type: Full-time, Permanent

Join Sierra Nevada Corporation Mission Systems UK, Ltd as an IT Support and Information Assurance Specialist and play a pivotal role in the success of our team. We are looking for a dedicated and skilled individual who thrives in a dynamic environment and is passionate about maintaining robust IT systems and ensuring information security. This is a fantastic opportunity to contribute your expertise to a respected organisation while enjoying a competitive package reflective of your skills and experience.

As an IT Support and Information Assurance Specialist, you will be responsible for providing technical support and ensuring the security and integrity of our information systems. Your role will be critical in maintaining smooth IT operations and safeguarding sensitive data in line with industry best practices and compliance requirements.

• Provide first and second-line IT support to internal users, troubleshooting hardware, software, and network issues promptly and effectively.
• Implement and maintain information assurance policies, procedures, and controls to ensure compliance with relevant security standards and regulations.
• Conduct regular risk assessments and audits to identify vulnerabilities and recommend mitigation strategies.
• Assist in the management of user accounts, permissions, and access controls in accordance with security protocols.
• Monitor IT systems for security breaches and respond to incidents in a timely manner, including investigation and reporting.
• Collaborate with cross-functional teams to support IT projects, upgrades, and deployments.
• Maintain accurate documentation of IT support activities, information assurance procedures, and incident reports.
• Stay up-to-date with the latest developments in IT support and information security to continually improve service delivery.

• Proven experience in IT support and information assurance, preferably within a technology or defence-related environment.
• Strong understanding of IT infrastructure, including networks, servers, and endpoints.
• Knowledge of information security standards such as ISO 27001, Cyber Essentials, or equivalent frameworks.
• Experience with risk assessment, vulnerability management, and incident response.
• Familiarity with user account management, Active Directory, and access control systems.
• Excellent problem-solving skills with the ability to work under pressure and prioritise tasks effectively.
• Strong communication skills, both written and verbal, to engage with technical and non-technical stakeholders.
• Relevant certifications such as CompTIA Security+, CISSP, ITIL Foundation, or similar are advantageous.
• Ability to work independently and as part of a team within a fast-paced environment.

• A competitive salary package tailored to your experience and expertise.
• Permanent, full-time employment with opportunities for career progression.
• Working in a supportive and innovative environment within a leading aerospace and defence company.
• Access to ongoing training and professional development programmes.
• Generous holiday entitlement and company pension scheme.
• Employee assistance programmes and wellbeing support.

Sierra Nevada Corporation Mission Systems UK is seeking a skilled IT Support and Information Assurance Specialist. In this role, you will provide crucial technical support while ensuring the security of our information systems.

The ideal candidate should have proven experience in IT support and information assurance, with a comprehensive understanding of IT infrastructure and security standards. This is a full-time position in St Athan offering a competitive salary and opportunities for career growth.

Sierra Nevada Corporation Mission Systems UK is seeking a Commercial Officer in Bristol to support the entire contract lifecycle for UK Defence and Government programmes. You will liaise with various teams to ensure compliance and successful delivery while managing contracts and commercial agreements.

The ideal candidate has experience in a commercial role within Defence or regulated industries, with strong attention to detail and excellent communication skills. A competitive salary and performance-based bonuses are offered.

As a Commercial Officer, you will support the full contract lifecycle across UK Defence and Government programmes — from bid and proposal support through to contract management, change control, subcontract administration, and contract close-out.

You will work closely with Programme Management, Engineering, Procurement, Finance, and Legal teams to ensure commercial compliance, protect business interests, and support successful customer delivery.

The role requires strong attention to detail, commercial awareness, and confidence operating within complex contractual and regulatory frameworks.

Support the preparation, review, negotiation, and administration of commercial agreements, including:

• Customer contracts
• Subcontracts
• Non-Disclosure Agreements (NDAs)
• Teaming Agreements
• Framework agreements

Support the management of contract amendments, variations, extensions, and change control activities.

Review contractual terms and conditions to identify commercial risk, compliance obligations, and key deliverables.

Assist in ensuring appropriate contractual flow-downs to suppliers and subcontractors.

Maintain accurate commercial records and contract documentation in line with internal governance and audit requirements.

Support contract lifecycle activities from contract award through to delivery and close-out.

Provide commercial support to Defence and Government bids and proposals.

Assist in the review of ITTs, RFQs, and contractual documentation.

Support the preparation of compliant commercial responses aligned to Defence procurement requirements.

Contribute to pricing assumptions, risk identification, and commercial proposal reviews.

Work collaboratively with cross-functional bid teams to ensure timely and compliant submissions.

Support compliance with UK Defence regulations, export controls, confidentiality requirements, and internal governance procedures.

Identify and escalate commercial and contractual risks where appropriate.

Ensure commercial activities are conducted in accordance with company policy and customer requirements.

Support internal and external audit activities as required.

Build effective working relationships across Programme, Engineering, Procurement, Finance, and Legal functions.

Liaise professionally with customers, suppliers, and external stakeholders.

Support Programme Managers with commercial guidance relating to contract obligations and change management.

Experience working within a Commercial, Contracts, or Procurement role.

Experience supporting contract management activities within Defence, Aerospace, Government, or other regulated industries.

Understanding of contract lifecycle management and commercial governance processes.

Experience reviewing and administering contractual documentation and amendments.

Strong organisational skills with excellent attention to detail.

Strong written and verbal communication skills.

Ability to manage competing priorities within a fast-paced environment.

Proficient in Microsoft Office, particularly Excel and Word.

Experience working with UK MOD contracts and Defence procurement frameworks.

Familiarity with DEFCONs, flow-down clauses, or regulated contractual environments.

Experience supporting bids and proposals within Defence or Government sectors.

Experience using ERP or contract management systems.

Knowledge of export control and compliance requirements.

Professional accreditation such as CIPS, IACCM/WorldCC, or similar.

Commercially aware with a proactive and solution-focused mindset.

Confident working within structured and compliance-driven environments.

Professional, trustworthy, and able to handle sensitive information appropriately.

Strong collaborator who can work effectively across multiple business functions.

Resilient and adaptable with the ability to manage changing priorities.

Commercial Officer

Bristol, Bristol, United Kingdom

BS2 0QH

Competitive Salary Performance based bonus up to 6%