About Me
Systems and network administration are my primary interests. I have extensive experience with CISCO, HP, Juniper, DELL and more, also multiple UNIX-based operating systems with an emphasis on Linux, (Debian Linux), but also FreeBSD and Windows system, Cisco networking hardware, system and network security, network design. I have experience with high traffic networking including load balancing technology. I use Perl and Shell scripting on a regular basis for system administration tasks.
Over 17 years of general computer experience. Now I manage a network of the big Power supply company, over then 600 computers in general office and about 3 branch offices in 3 region of the Ukraine, I provide a mail, web, all telecommunication, security and more others services.
Operating Systems:
17 years Linux (Debian, Redhat and others)
17 years *BSD (FreeBSD, BSDI)
14 years Cisco IOS
Windows server system AD and more
Networking:
Complete understanding of TCP/IP, UDP, ICMP
Network routing protocol OSPF, RIP, BGP,IGRP and more
Network troubleshooting
Physical network maintenance and upgrades
Cisco switch and router configuration
All popular network protocols (DHCP, SMTP, POP, SNMP and more)
Load Balancing on cisco and unix based routers
Network analyst and statistic
Security:
Advanced knowledge of Unix security
Secure internet services
LAN/WAN security, VPN
Firewalls (IPtables, IPFilter, Cisco IOS access lists)
Encryption (PGP, GnuPG, SSL)
SSH (SSH v1, v2 and OpenSSH)
Host-based security: OS hardening, disabling or encrypting unsafe network services
Security Policy Design, Implementation
Network/Host Security Auditing
Microsoft virtual servers, clusters and more else ...
All network services (mail, web, file)
Special system lyke Siemens, SCADA and more
Programming/Scripting:
Intermediate level, mostly systems automation and maintenance tasks
Perl5 (console scripting)
Shell scripting
Specialties: Network system administrator
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Skills description
How about professional high-skilled developers with a strong knowledge of software operation management? Here they are! Introducing DevOps Developers – modern and dedicated IT-magicians who really can develop perfect software solutions and maintain, update or renovate them on the spot!
Professional DevOps movement emerged when industry professionals understood that it is extremely useful not only to develop a customizable software for a company, but also make the updating process, as well as brand new releases producing, much easier. Combining the creative development process itself with the future software operation planning, DevOps technology can help to design the most optimized solution for companies whose main resource is a software they work with everyday.
DevOps Developers look like modern IT-wizards with comprehensive software development and support skills. All the Senior DevOps Developers you may find here are recognized professionals with years of related and versatile experience. Besides the Experienced DevOps Developers, you may hire specialists in 86 other technologies. All of them already have surprisingly good portfolio!
AOG follows IT trends and offers experts in cutting edge technologies. iOS is a mobile operating system developed by Apple Inc.
Originally it was designed for iPhone, with time it became applicable to support other Apple products: iPad, iPhone and iPod. This system ships with various system apps like Mail, Phone and others. iOS Software Development Kit (SDK) has tools and interfaces for efficient usage of apps installed on iOS Home screen.
It takes the second place in the world after Android system.
iOS is popular among its users due to simplicity of interface and mainly to multitasking that is supported at location changes, voice over IP, fast app switching etc.
There is no person who does not know about Siri, a personal assistant for iOS users. Siri is able to perform spoken commands and do various commands from making a call or texting to someone to searching for needed locations. In the latest version developers improved it to even faster answers and integration with Wikipedia and other resources. Even its voice has been changed.
iOS experts at AOG are experienced and ready to join interesting projects.
Check their skills and hire a good iOS developer for your project!
.NET is a software technology proposed by Microsoft as a platform to create both traditional desktop programs and web applications. To some extent, it is an enhanced continuation of the ideas and principles we know from Java. One of the ideas is that .NET compatible services may be fully written in different languages.
Besides, .NET is a versatile cross-platform technology. For now, there are at least Microsoft Windows version called FreeBSD and the option for Linux, named DotGNU. Considering that these two operating systems are extremely popular among the developers, NET Framework tends to become one of the core professional competencies of backend developers.
Most of modern digital outsourcing companies have whole teams of Middle NET Developers and, of course, Highly Skilled Senior NET Developers. NET teams work on the producing different software solutions using outstanding .NET framework. Choosing the NET developer, you may be absolutely sure that you will get a perfect technology master, previously interviewed by AOG’s recruiters!
The most striking advantage of the system is an easy user interface and a wide set of different plugins for a website customization. Professional Full Stack Umbraco developer can create a complete and stable web resource with a broad functionality using Umbraco.
Besides offering a high level of system security, Umbraco is a very versatile open-source instrument and that is why so many developers constantly use it as their main website development instrument. Our main talents location is Eastern Europe – a new heart of IT-industry! Both Middle and Senior Umbraco Developers are available for you. Choose a good executor using our TOP high skilled Umbraco Freelancers list!
The “Python” name was borrowed from the TV show called Monthly Python and a language itself was developed in 1990. Python supports different programming modules and packages that promotes modularity and smart code reuse. Python interpreter and standard libraries are fully available for all the major platforms in compiled and original versions.
Python authors were guided by a philosophy of simplicity and immediacy, as an unwavering guarantee of quality. Python’s philosophical paradigm implies a harmony, beauty and an avoiding of excessive complexity. That's why Python is considering as one of the most easiest programming languages and as the very prospective one.
The so-called generation of Python is quite young and very progressive. This is why even highly qualified Python developers are still quite young, but ambitious professionals. Python freelancers have an experience in the complex implementation of dynamic interactive web sites and web applications. Python has no limits, so Full Stack Python developers professionalism is limitless too. AOG offers you to work directly with the Python developer and our managers will help you 24/7!
If HTML is a basis of frontend programming, then the SQL is a key to the deep database programming and managing of almost every existing DBMS. Using this language, you can manage different data, filter and analyze information even in very large volumes.
In general, SQL first appeared in 1974, but it is still widely used by programmers who work with different databases platforms such as MySQL, because of its versatility and uniqueness. Did you know that a well-known Microsoft Access application is also based on the SQL? Yes, SQL is much closer than it seems. It’s everywhere!
Typically, experienced SQL developers are working with multiple platforms and databases systems. It is an incredibly big advantage! You can hire a highly qualified SQL database developer and get an expert advice from him or simply involve him in your project as a BackEnd SQL Freelancer. During one week you can test your candidate and if he will not satisfy you, we will replace him for another one without any difficulties!
