> Markdown version of [/jobs/ext/3448509-junior-systems-administrator](https://www.wearedevelopers.com/jobs/ext/3448509-junior-systems-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Junior Systems Administrator - **Company:** Greenfield Engineering - **Location:** Lexington Park, MD, United States (Remote available) - **Experience:** Starter - **Contract:** Permanent contract - **Skills:** Adobe Analytics, Microsoft Windows, Backup Devices, CompTIA Security+, Data Systems, Desktop Computing, Disaster Recovery, Internet Services, Local Area Networks, Network Security, Microsoft Operating Systems, Windows Servers, Network Architecture, Network Connections, Wide Area Networks, Network Server - **Published:** September 16, 2026 - **Apply:** https://www.jofdav.com/jobs/59723781-junior-systems-administrator ## About the Role * Minimum 1 years system administration experience * Knowledge/exposure to ACAS * CompTIA Security+ certification * Knowledgeable / proficient in the use of Microsoft operating systems * Ability to manage / maintain various types of servers and security requirements * Security conscious in all aspects * Resourceful / problem solving skills * Works independently * Self-starter * Organized * Detail oriented * BS/BA degree and 1 years related experience, OR AA/AS degree and 3 years related experience, OR HS and 5 years related experience. Security Clearance: Active Top Secret required. Requirements to obtain a clearance include US Citizenship, security investigation, etc. Education: BS/BA degree and 1 years related experience, OR AA/AS degree and 3 years related experience, OR HS and 5 years related experience. ## Description Greenfield Engineering, a Saalex Company is seeking Junior Systems Administrator in Patuxent River, MD. The ideal candidate will be responsible for configuration, deployment and maintaining Windows servers, Windows 11 desktop systems, Network infrastructure and compliance with information assurance requirements. Candidate will create and maintain lab test and development environments. Candidate will support 75 users / 125 computer assets / printers / network connectivity in the building., * Perform ACAS / SCAPs on machines to look for vulnerabilities and apply patches to remediate. * Build, Maintain and harden workstations and laptops. * Upgrade and configure data systems, administer operating systems, and maintain basic security and recovery procedures such as scheduling and backups. * Responsible for gathering all information (drawing, hardware/software list, PAA's, etc for submittal to the ISSO for an ATO on EMASS ID 12900 and EMASS ID 3699 * Install, configure, and support an organization's local area network (LAN), wide area network (WAN), and Internet systems or a segment of a network system. * Administer network security measures. * Other duties as assigned or required. ## Related Videos - [Hate organising your photos? Try it with 5 Terabytes](https://www.wearedevelopers.com/videos/79-hate-organising-your-photos-try-it-with-5-terabytes) - [Kubernetes Security - Challenge and Opportunity](https://www.wearedevelopers.com/videos/412-kubernetes-security-challenge-and-opportunity) - [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Checkmate: 5 Real Incidents That Can End a Software Company](https://www.wearedevelopers.com/videos/100126-checkmate-5-real-incidents-that-can-end-a-software-company) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) ## Related Articles - [A Guide to Green Tech and Green IT Careers](https://www.wearedevelopers.com/magazine/374-a-guide-to-green-tech-and-green-it-careers) - [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) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk)