The best freelancers
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- Development, design, maintenance of the computer networks, computer equipment, network services, improvement and analysis of existing network, server, and service infrastructure;
- Users’ technical and software support;
- Setting up and maintaining Microsoft based operation systems WinXX, Windows Server 20XX;
- Setting up and maintaining Linux based operation systems Debian, Ubuntu, CentOS, and Unix-like FreeBSD;
- Administration of the: MTA(Dovecot, Postfix, Exim4, MS Exchange Server), FTP, SQL(MS SQL, MySQL, PostgreSQL, MongoDB), LAMP(Apache, Nginx, PHP), HAProxy, DNS, DHCP, NPS, DFS, NAS, VPN;
- VoIP servers;
- AD, LDAP, AAD;
- Extensive experience with DigitalOcean, Amazon AWS, GCP, Vultr, Azure, and other cloud service providers;
- Ubiquity, Mikrotik, Cisco, Dell, HP, Fortigate, SonicWall network equipment;
- Intrusion detection/prevention services (IPS, IDS, SNORT, Suricata) firewall (routing, VLAN, ACL, Proxy, NAT, DMZ), CARP, HA;
- HP, Supermicro, DELL, Fujitsu Siemens, IBM, Lenovo, EMC, NetApp equipment;
- Website administration (WordPress, Joomla, PHP, HTML, css etc.);
- Virtualization (Proxmox, Virtualbox, VMware, HyperV);
- etc
System administration · Software protection and security
Istanbul, Turkey
The cost of services is not a dogma, but a reason for discussion.
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Your Reliable IT Specialist
Why Choose Me?
✓ Flexible Pricing Approach: The cost of services is open for discussion and tailored to the complexity and volume of work. Let's find a mutually satisfying solution.
✓ Diverse Experience: With over 10 years in IT infrastructure administration and support, from small to large projects, I guarantee efficiency and security for your system.
✓ Key Skills:
Network Administration: Managing local networks, VPN, remote access, surveillance systems, security systems. Server Management: Experienced with Windows Server (2000, 2003, 2008), AD, DNS, DHCP, as well as Unix-like systems (Linux, FreeBSD). Security and Data Protection: Expert in ensuring security, including protection against DDOS attacks and data encryption (XMPP, PGP, TrueCrypt).
Web Services and Databases: Setup and maintenance of Apache, Nginx, MySQL, monitoring through Nagios. Development and Programming: Knowledgeable in PHP, C, Java, and experienced with Adobe Photoshop.
✓ Website Security Audit: A comprehensive range of security audit services, from general inspection to penetration tests and vulnerability analysis.
How I Work?
Project Discussion: Understanding your task and goals is my priority. Knowing all the details and requirements allows me to offer the best solution. Planning and Development: Each step of the work is planned considering your deadlines and budget. Execution and Support: Delivering high-quality work on time. Always ready to provide support and consultations after the project completion.
Contact me to discuss your project and find out how I can help you achieve your IT goals.
DevOps · System administration
Kharkiv, Ukraine
I can manage with anything. If I don't know how to do something, I'll learn and complete it.
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- I am a System Engineer with more than 20 years of extensive experience in systems design,
administration, support including 5 years working as a DevOps Engineer.
- My expertise encompasses effective planning, design, installation, configuration, maintenance, and optimization of IT systems for achieving high availability and performance.
- I am skilled in working with cloud computing platforms such as Amazon Web Services, creating and configuring the infrastructure using IaC tools, and working with CI/CD process and source control tools.
- Additionally, I have experience as a Chief Technology Officer and Head of IT Department with 6 immediate subordinates and general team of 12 employees. It helped me to develop good planning and organizational skills, so I am confident working independently or as part of a team.
- work as an individual entrepreneur.
CLOUDS
- AWS: EC2, IAM, AMI, S3, VPC, SubNets, SecurityGroup, ACL, Routing, NAT GW, InternetGW, BastionHost, VPN, Route53, Lamda, ALB, ELB, Auto Scaling Group, Parameter Store, SNS, SQS, WAF, CloudFront, CodeCommit, Beanstalk, EKS, Kinesis, Redis
OS
FreeBSD, Linux (Ubuntu, CentOS, AWS Linux)
VIRTUALIZATION
Docker, Docker-Compose, Kubernetes ( K8s ), KVM, VMware ESXi
MONITORING
Nagios, Zabbix, Prometheus
MySQL
optimization, clustering (replication setup, configuration, recovering)
IaC, Config control
Terraform, SaltStack, Ansible
Dev auto tools : Jenkins (groovy scripting), GitLab (CI/CD, configuring gitlab-ci.yml)
Version control : Git
Scripting : Bash, Python
NETWORKING
- NET : TCP / IP stack. CARP
- Routing : OSPF, BGP
- CISCO : vlan, trunk, ports aggregation LACP, static routes configuring, acl.
FAILOVER
RAID, link aggregation; redundant channels and STP, net interfaces aggregation, load balancing and traffic distribution at various levels of the OSI model (CARP, BGP, OSPF, Nginx, HProxyServer, CDN GeoDNS)
TELEPHONY
VoIP server Asterisk integrated with PBX (with PRI) PBX - Samsung iDCS 500 (PCMMC OfficeServManager 3.75) programming, cross patching and laying of SCS. Mitel 3300, wifi Mitel phones
SATELLITE & GSM
Seatel ACU, iDirect modem, FB250, Iridium, Internet/telephony/TV via satellite systems and a GSM operator.
Misc
ELK Stack (Kibana), Jira, FireWall (ipfw, pf, iptables), VPN (OpenVPN, mpd5, netgraph), Samba, Postfix, Exim, Apache, Nginx, php-fpm, FTP
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Dear customer,
I am developer whole my life. I graduated from tech university and spend whole my life to work on programming. I tried several different areas of development. Right now I am diving into Frontend development. Most time I worked as employment. And now I want to try my skills into freelance.
The list of my skills below:
HTML 5 (and older),
CSS 3 (and older), less, Sass,
CSS Framework: Bootstrap v4.x/v3.x/v2.3, create theme for bootstrap framework
adaptive coding, email markup, SVG, fonts
JavaScript, vanilla, typescript,
React + Redux, webpack, babel
jQuery, different jQuery plugins, Ajax
Figma, Photoshop
git, subversion
Apache installation and setting on local machine for development
PHP
CMS: OpenCart, 1C-Bitrix
OpenSSL, CryptoPro CSP
ZE PHP extension development
C, C#
Barcode generating, Hypercom T42xx Library
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Development services Contact in private messages!
Rate per hour: 7.5$.
About me I am a qualified Full-stack developer with more than 5 years of experience.
I am engaged in creating turnkey websites and updating existing ones.
My service: - free consultation;
- I have free technical support after closing the project - 2 weeks;
- I use only the best of the latest technologies;
My skills: PHP MySQL/PostgreSQL Nginx/Apache Redis/Memcached REST API Websockets OOP MVC Git (GitHub/GitLab) HTML/CSS/JS (jQuery) Laravel Vue.js (Nuxt)
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