Anson McCade
Senior Application Support Engineer

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Senior Application Support Engineer | 6–9 Month Contract
Location: London | Blue Fin | 5 days per week
Contract: £915–£1,100/day | Inside-IR35
Security Clearance: UKSV SC to start | DV pipeline required
I’m currently recruiting for an experienced Senior Application Support Engineer to join a specialist Defence project in London.
This is a great opportunity for someone with a strong technical support background who enjoys working with complex systems, solving difficult problems and taking ownership of live environments.
You’ll be joining a small technical team supporting a critical application, with plenty of scope to get involved across infrastructure, application support, troubleshooting and technical improvements.
What’s on offer?
- Contract initially running until 31/03/2027, with potential to extend
- Work within a secure and technically complex Defence environment
- Broad exposure across infrastructure, applications, networking and security technologies
- A role with genuine technical ownership and autonomy
- Opportunity to mentor and support other engineers
- Regular involvement with clients and technical stakeholders
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
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Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
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Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
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What will you be doing?
As a Senior Application Support Engineer, you’ll be responsible for keeping a complex application environment running effectively while helping to improve its reliability and performance.
You’ll be involved in:
- Investigating and resolving technical issues across the application and supporting infrastructure
- Providing hands-on support across Linux and infrastructure technologies
- Troubleshooting networking, connectivity and system-related problems
- Supporting deployments, upgrades, changes and technical improvements
- Monitoring system performance and identifying potential issues before they impact service
- Working with development teams and third parties when issues require deeper investigation
- Helping maintain a reliable and secure production environment
- Providing technical guidance to other engineers
- Working directly with clients and stakeholders to understand and resolve issues


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What technical experience are we looking for?
You aren't expected to have every piece of technology but the ones below are what we are looking for:
- Linux
- Apache NiFi
- Docker
- VMware
- Active Directory
- DNS
- Networking and routing
- IPSEC / cryptography
- PKI and certificate management
- Cisco
The right person
We're looking for someone who is technically curious, comfortable working independently and able to take ownership when problems arise.
You should be confident dealing with complex technical issues, communicating with clients and working across different technologies rather than being restricted to a single area.
Apply through the advert or message me directly for a confidential conversation.
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