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Sysadmin

Sysadmin Developer Jobs

2 jobs found

1mo ago

Systems Administrator & Web Developer

Greenwing Technology Newark, DE

Newark, DE

1mo ago Closed

$70k - $80k/yr Full time Backend Developer API APIs

This position is no longer accepting applications (closed Jul 25, 2026).

Job Description

Benefits and culture

Greenwing Technology offers a hybrid full‑time role in Newark, DE with remote work options. This position provides a competitive salary of USD 70,000 to 80,000 per year and a collaborative environment that values practical problem solving, direct client engagement, and steady professional growth in a mid‑Atlantic setting.

401(k) with generous company match
Health insurance or HRA reimbursement account
Dental Insurance
Vision Insurance
Flexible schedule
Paid time off
Ability to work remotely
Bonus opportunities

Responsibilities

Maintain the existing AWS server infrastructure (EC2, SG, S3) across four regions
WHM/cPanel Administration
Extend and maintain APIs
Add new features to client installations of the eCommerce system
Update and improve legacy code
Interfacing with clients to assess needs on new project work
Assist in composing and disseminating internal coding standards
Research development tools such as unit testing frameworks and Selenium
Produce internal and external documentation of findings and recommendations

Requirements

5+ years of AWS administration experience (SNS and Lambda a plus)
5+ years of PHP 7+ and MySQL web development
5+ years of experience with JSON and XML
Experience with cPanel/WHM
Experience with Linux scripting (bash, cron jobs, etc.)
MySQL/MariaDB Engine, Sphinx, and other relevant engines
Experience using VPNs and 2FA
Experience building and connecting with RESTful APIs
Experience with eCommerce platforms (Magento, WooCommerce, Shopify, etc.), especially building extensions/plugins; WordPress plugin experience is a plus
Ability to collaborate with offshore development teams and coordinate meetings and updates
Strong knowledge of programming constructs and best practices
Adaptable and able to adjust tasks as client priorities change
Understanding of both legacy and object oriented programming and design is highly desired
Knowledge of advanced database systems
Ability to interact directly with customers and lead technical discussions

Technologies

AWS
EC2
S3
SNS
Lambda
PHP
MySQL
JSON
XML
cPanel/WHM
Linux
Bash
MariaDB
Sphinx
RESTful APIs
Magento
WooCommerce
Shopify
WordPress
WordPress plugin development
Selenium
Unit testing frameworks

View full job page →

1mo ago

C# Linux Back-End Developer

Amtelco McFarland, WI

McFarland, WI

1mo ago Closed

Full time Backend Developer .NET API

This position is no longer accepting applications (closed Jul 13, 2026).

Job Description

Amtelco is seeking a mid level C sharp Linux back end developer to design, implement, and maintain Linux based infrastructure and back end components for Amtelco's communications applications, with a hybrid remote work arrangement in McFarland, Wisconsin.

Responsibilities

Design, implement, and sustain Linux based infrastructure solutions that are highly available and scalable.
Collaborate with the C sharp server development team and work independently to design, build, and troubleshoot backend components of Amtelco's communications applications.
Identify and resolve intricate system issues to minimize downtime and protect critical operations.
Maintain awareness of Linux technologies, tools, and industry trends to support ongoing improvements.
Apply innovative problem solving to deliver high value services to clients.
Inform colleagues about emerging technologies or applications and opportunities to integrate them into operations.
Participate in code reviews with the development team and with senior software engineers.
Perform functional, integrity, and security testing on code as part of the software development lifecycle.
Collaborate with the documentation team to develop system administration guides and user reference materials, including online help files.
Join customer calls as needed to present demos, troubleshoot, and discuss future enhancements.
Support field engineering in diagnosing customer reported issues.
Perform other duties as assigned.

Requirements

Associate degree is required; bachelor’s degree in Computer Science, Information Technology, or a related field is preferred.
3 to 6 years of hands-on experience with C, C#, C++, Java, and Linux systems and infrastructure.
Strong proficiency with Linux distributions such as Red Hat, Ubuntu, or CentOS.
Hands-on experience with configuration management tools including Visual Studio, CoPilot, Claude.
Experience with security best practices and hardening techniques for Linux environments.
Experience with cloud platforms such as AWS and Azure.
Experience with Asterisk, SIP, and WebSockets.
Knowledge of Agnostic tools and Agentic Programming.
Knowledge of virtualization and logging tools such as Prometheus.
Knowledge of containerization technologies such as Docker or Kubernetes.
Knowledge of performance tuning and optimization techniques.
Understanding of networking concepts like TCP/IP, firewalls, and load balancing.
Familiarity with scripting languages such as Bash or Python.
Familiarity with continuous integration and delivery (CI/CD) pipelines.
Familiarity with version control systems (Git) and collaborative development practices.
Excellent problem solving and troubleshooting skills with a methodical approach.
Strong communication and collaboration abilities to work effectively across teams.
Remarkable time-management skills.
Experience in an answering service or healthcare environment is helpful.

Technologies

C#, C
C++
Java
Linux
Red Hat
Ubuntu
CentOS
Visual Studio
CoPilot
Claude
Asterisk
SIP
WebSockets
Prometheus
Docker
Kubernetes
Git
CI/CD
Bash
Python
AWS
Azure
TCP/IP
firewalls
load balancing
Agentic Programming
Agnostic tools

Benefits

401(k)
Dental insurance
Employee assistance program
Flexible schedule
Flexible spending account
Health insurance
Health savings account
Life insurance
Paid time off
Vision insurance

What does success look like in this role?

A bachelor’s degree in Computer Science, Information Technology, or a related field is preferred; an associate degree is required.
3 to 6 years of hands-on experience with C, C#, C++, Java, and Linux systems and infrastructure is required.
Strong proficiency in Linux distributions such as Red Hat, Ubuntu, or CentOS.
Hands-on experience with configuration management tools including Visual Studio, CoPilot, Claude.
Experience with security best practices and hardening techniques for Linux environments.
Experience with cloud platforms such as AWS and Azure.
Experience with Asterisk, SIP, WebSockets.
Knowledge of Agnostic tools and Agentic Programming.
Knowledge of virtualization and logging tools such as Prometheus.
Knowledge of containerization technologies such as Docker or Kubernetes.
Knowledge of performance tuning and optimization techniques.
Understanding of networking concepts like TCP/IP, firewalls, and load balancing.
Familiarity with scripting languages such as Bash or Python.
Familiarity with CI/CD pipelines.
Familiarity with version control systems (Git) and collaborative development practices.
Excellent problem solving and troubleshooting skills with a methodical approach.
Strong communication and collaboration abilities to work effectively across teams.
Remarkable time-management skills.
Experience in an answering service or healthcare environment is helpful.

View full job page →

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