GreyMatter Specialist

As a greymatter specialist, you will work directly with customers to resolve security challenges, integrate log sources, and conduct advanced investigations. You will use greymatter detect to fine-tune detection rules and support tier 3 incident response. The role offers hands-on experience with security tools and customer-facing technical support.

Summarised by InternDoor from ReliaQuest’s posting, in our own words. The posting itself is the source of truth, so check it before you apply.

• Resolve customer challenges with technical expertise and direct support
• Integrate log sources and fine-tune detection rules using greymatter detect
• Conduct advanced investigations and tier 3 incident response
• Spend 75% of time interacting with customers on technical escalations

Required

• Bachelor's degree in a related field
• Understanding of cybersecurity and IT disciplines including networking, operating systems, authentication protocols, general enterprise network, architecture, and security incident response
• Knowledge of TCP/IP Protocols, network analysis, and network/security applications
• Basic knowledge of Linux/Unix operating systems
• Ability to blend your technical and communication skills to advise the customer
• Must demonstrate great attitude, energy, and effort
• Must be adaptable, focused, accountable, and helpful

Nice to have

• Certifications such as Network+, Security+, CySA+
• 1-3 years' experience as a Security/Network Administrator or equivalent knowledge
• Prior SIEM experience and/or administration
• Hands-on experience with parsing data, log formats, regular expressions
• Scripting experience (bash, PowerShell, python)
• Multiple OS experience (mac, windows)

Read from ReliaQuest’s posting. Its own wording is the one that counts.

1. Check what they ask for. Read the requirements above: ReliaQuest asks for 1–3 years.
2. Tailor your resume to the role. Put the work that matches these skills first. InternDoor’s resume tailor does it against this posting.
3. Apply on ReliaQuest’s careers site. The application is on reliaquest.wd5.myworkdayjobs.com, not on InternDoor. We never ask for a fee.

Apply soon: postings like this can close without notice, and this one states no deadline.

Posted

13 Nov 2026, on LinkedIn

First seen by InternDoor

13 Nov 2026, within 2 hours of being posted

Last checked

13 Nov 2026: the posting was still in LinkedIn’s search results. We have not checked its application page.

Application deadline

ReliaQuest has not stated one

Leaves InternDoor

By 13 Dec 2026, our 30-day limit for LinkedIn listings, or sooner if the application closes

Application page

reliaquest.wd5.myworkdayjobs.com

What we checked, and what the dates mean

The date this listing leaves InternDoor is our own rule, not a deadline set by ReliaQuest. Postings can close earlier, at any time.

InternDoor has recorded 2 engineering postings from ReliaQuest in India since Nov 2026.

When this listing comes down, this address says the role has closed and lists open roles like it, instead of a dead end.

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