Ethical hacker, highly experienced and skilled Linux SysAdmin Cyber Security wanted

Disclaimer: DO NOT REPLY IF you’re a web developer or have just basic knowledge - we will notice soon enough and it will waste our time.

We are a small dynamic team in the forefront of the education assessment industry and have this opportunity due to recent growth.

We have a mail server and a separate 3-year-old website on another server, coded entirely from open-source tools, that require Linux based server support, maintenance, enhancement and hardening (no need for optimization).

The servers have PUBLIC_KEY security, cloud back-up and is currently maintained for a balanced libraries dependencies.

Mail: Ubuntu, DoveCot and Postfix, Mailgun, ProcMail and SpamAssasin.

Website: CentOS, NGINX, PHP-FM, MySQL, GoLang, Python, NodeJS, Redis.

We are looking for a like-minded, highly skilled and motivated partner to use their own set of trusted open source tools to continually protect the server and its stack only.

You will start with the email server and all being well, move onto the web server. There will then be opportunities to expand onto extra servers that are currently being built; this could become a full-time secure position. Please provide evidence showing how you are the most suitable candidate to join the team in this position and we'll take it from there...

Skills: Linux, Python, Ubuntu, System Admin

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About the Employer:
( 0 reviews ) Singapore, Singapore

Project ID: #20404174

19 freelancers are bidding on average $450 for this job


Hi I am skilled system admin and will resolve the issues as per your requirements and i have expertise in the relevant field.I have 10 years of experience. ping me for further queries. Thanks

$350 SGD in 2 days
(270 Reviews)

Dear Sir. Glad to meet you. I'm very interested in your job post involving these skills. I'll bring your idea to the next level or extend your live project with new awesome features. I'm web Developer specializing in More

$500 SGD in 7 days
(16 Reviews)

Iam Linux server admin and have 11 years of experience in Linux server. I can move all accounts and can implement server securities. I can do scan, remove malware from server side, antivirus update, firewall, etc

$250 SGD in 1 day
(86 Reviews)

Hey there, I'm a Systems Engineer with InfoSec Interest. I have been working with Linux/Unix-systems for years. I had conducted tons of Penetrations Tests. I'm a former black hat hacker as well. Would you share mo More

$750 SGD in 7 days
(44 Reviews)

I have 8  years of experience in managing complex linux architectures and managing cloud infrastructures. I have worked on many complex projects ( Private cloud setup on AWS, Load balancing clusters, Replication system More

$250 SGD in 1 day
(54 Reviews)

Dear Sir/Madam, I checked requirement and i think what you need is : + you are looking for a like-minded Because good at those skills: Ubuntu, Linux,Python, System Admin. I would like apply for this job I always More

$523 SGD in 3 days
(10 Reviews)

Hello Manager Hope things are going well in your life!!   We are a team of 30+ individuals highly experienced in creating wonderful Web applications and apps for our clients to increase their business and to help them More

$433 SGD in 7 days
(3 Reviews)

Hey, I am Linux System Administrator and I have vast hands on working experience using Linux security, counter hacking, Ethical Hacking and PEN TEST. I will help your team for email server in UBuntu according to your j More

$450 SGD in 1 day
(9 Reviews)

Hire me. I'll manually check the system and will scan by Industry grade security tools. The malware/harmful codes/Security holes will be cleaned 100%. Technical Skills - Linux / Windows System Administration - Buildin More

$500 SGD in 30 days
(31 Reviews)

I am Redhat Certified Engineer. I have 8 years of experience as a Linux System Administrator. I posses good knowledge of mail server like zimbra, sendmail, web server like Apache, shell scripting, Virtualization like C More

$300 SGD in 7 days
(7 Reviews)

⭐ Let's discuss on chat ⭐ I 'm a Full-stack developer and Ethical hacker Working last 7 years in programming field. I love programming. My passion is to solve the programming issue. Technology Summary :➤ ✔️Programming/ More

$500 SGD in 7 days
(5 Reviews)

Hi I am one of Top Web Professional developer with basic knowledge. I am highly skilled in Python, Linux, Ubuntu etc. I have completely understood the job description and I am able to quick start the work. Having e More

$500 SGD in 7 days
(0 Reviews)

hello,how are you. i read your bid carefully. i am c/c++, python expert and have full experience for 10 years. c++ language is my top skill. i can provide most quality and high speed. if you want to success, please con More

$500 SGD in 7 days
(0 Reviews)

Hi, Thanks for posting !!! I have 14 years of experience in Website and Mobile apps. I have checked the requirement and understand. I have created website SIMILAR to skilled Linux SysAdmin Cyber Security wanted More

$300 SGD in 2 days
(0 Reviews)

Please go through the following expertise of mine, and hoping to get a positive response from your end. • Working with VMware Integrated OpenStack Cloud. • Working with VMware vSphere 6.5 Enterprise Plus, HA, DRS, vM More

$250 SGD in 7 days
(0 Reviews)

First:- Chatbot --> This can be integrated by any Facebook page, Slack etc. Its main aim is to reduce the human effort. For example, if this Chatbot is integrated with company page so it can easily answer you some bas More

$500 SGD in 7 days
(0 Reviews)

Hi, I'm security consultant acknowledged by U.S. Department of Defense for disclosing number of vulnerabilities via [login to view URL] bug bounty platform. In addition to this I've been freelance security cons More

$500 SGD in 7 days
(1 Review)

Hi, We have read your description very carefully and understood your requirement. We are professional information security service provider and equipped with certifications like OSCP, LPT, CISA, CISSP, ISO 27001. Lets More

$700 SGD in 7 days
(0 Reviews)

im bit late to put a bid. but im pretty sure im the right person to do this job. I have strong knowledge on linux,netwokring and ofcouse my specialize on cyber security . you can check my linked in. [login to view URL] More

$500 SGD in 4 days
(0 Reviews)