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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Administrator - **Company:** ASR International - **Location:** Philadelphia, PA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** IEEE 802.1Q, Microsoft Windows, Active Directory, Antivirus Softwares, Systems Engineering, CompTIA Security+, Cyber Security, System Configuration, Linux, Digital Assets, Firmware, Monitoring of Systems, Hyper-V, Intrusion Detection and Prevention, Intrusion Detection Systems, Subnetting, Lightweight Directory Access Protocols (LDAP), Linux System Administration, Network Monitoring, Server Supported Gaming, Server Virtualization, Storage Virtualization, Utility Software, VMware Infrastructure, Virtual Local Area Networks, VMware VSphere, Backup and Restore, Scripting, System Availability, Software Troubleshooting, Firewalls (Computer Science), Information Technology, Cybercrime, Atlassian Tools, Vulnerability Analysis, Vmware - **Published:** August 29, 2026 - **Apply:** https://www.careerjet.com/jobad/us7aa781a737483e7ae652f2423b064ccd ## About the Role * Minimum Education: Bachelor's degree in Engineering or Computer Science, Information Technology from an accredited college or university. * 3 years of experience within industry as a help desk support, system administrator, programmer, developer, and/or Systems engineer. * 2 years of professional experience reading and manual and able to patch, STIG and fix computer systems. * 2 years of professional experience troubleshooting software and hardware experiences. * Specific experience with VMWARE and VDI environments, VSAN, NSX, Windows & Linux OS, networking, Atlassian stack, backup recovery, and process documentation. * Must be a U.S. Citizen with the ability to obtain security clearance and clearing necessary background checks/assessments as required. Active high-level Security Clearance will be required, and current Security Clearance is desired. * Proven experience as a Systems Administrator, with a focus on cyber security. * Certification in cyber security (e.g., CompTIA Security+, CISSP) is a plus. If not certified, training will need to be obtained within 3 months of onboarding. * Strong knowledge of network and system administration, including Windows and Linux environments. * Familiarity with firewalls, intrusion detection/prevention systems, and anti-virus software. * Excellent problem-solving skills and attention to detail. * Effective communication skills and the ability to work collaboratively with cross-functional teams. * Managing server virtualization technologies like VMWare vSphere or Microsoft Hyper-V/Virtual Server * A solid understanding of LAN/WAN networking * Group Policy design and configuration * Active Directory/LDAP user and group administration * LAN Routing and Switching design, configuration and troubleshooting (VLANs, IP Subnetting, 802.1Q trunks) ## Description * Maintains overall responsibility for the availability and integrity of program's physical/virtual infrastructure. * Manages and maintains daily tasks for physical/virtual server and storage systems, including monitoring system performance, configuration, maintenance, and repair. * Ensures that records of system downtime and equipment inventory are properly maintained. * Applies revisions to host system firmware and software. * Works with vendors to assist support activities. * Develops new system and application implementation plans, custom scripts, and testing procedures to ensure operational reliability. * Trains staff in how to use new software and hardware developed and/or acquired. * Performs troubleshooting as required. Leads problem-solving efforts often involving outside vendors and other support personnel. * Installs, modifies, and maintains systems and utility software on server computer systems. * Provides server support related to other software. * Ensures high availability and acceptable levels of performance of critical computer resources. * Develops procedures, programs, and documentation for backup and restoration of host operating systems and host-based applications. * Develops and coordinates project directions and schedules to maximize benefits and minimize impacts on programmatic activity. Provides input in planning and implementation of projects for computer operations and systems administration. * Develops tools and procedures for program team members. * Maintains up-to-date knowledge. Stays current with technological developments in systems administration technology and recommends ways to take advantage of new technology. * Develop and implement security policies, procedures, and best practices to protect the organization's digital assets. * Conduct regular security audits and vulnerability assessments to identify and mitigate potential risks. * Manage firewalls, intrusion detection systems, and other security tools to safeguard network integrity. * Monitor network traffic for suspicious activities and respond to security incidents. * Stay up-to-date with the latest cyber threats, vulnerabilities, and security technologies. * Educate and train employees on security best practices and awareness. ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Quick guide: How to write a Software Developer CV](https://www.wearedevelopers.com/magazine/37-quick-guide-how-to-write-a-software-developer-cv)