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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Information Systems Administrator - **Company:** Concurrent Technologies Corporation - **Location:** Huntsville, AL, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Domain Controllers, User Authentication, Backup Devices, Bash Shell, Cloud Computing, Configuration Management, Cyber Security, Information Systems, Data Security, Data Systems, Dynamic Host Configuration Protocol, Linux, Python (Programming Language), Kernel-Based Virtual Machine, Linux Servers, McAfee VirusScan, Windows Servers, Network Administration, Windows PowerShell, Red Hat Enterprise Linux, Security Content Automation Protocol, Shell Script, Security Information and Event Management, Virtual Machines, VMware Virtualization, Information Technology, Nessus, Puppet, Network Server, Cisco, Plan of Action and Milestones - **Published:** September 5, 2026 - **Apply:** https://jobs.localjobnetwork.com/apply/add/85201724/1 ## About the Role * BA/BS Degree in Computer Science, Computer Information Systems, Management Information Systems or a related field, plus 6-8 years of directly related experience, a MA/MS Degree plus 4-6 years of directly related experience or a PhD plus 2-4 years of directly related experience. * Working knowledge of system security design process, defense-in-depth/breadth, information security domains, identification, authentication, risk management, contingency planning, incident handling, configuration control, change management, auditing, RMF/ICD 503 process, and principles of IA (confidentiality, integrity, non-repudiation, availability, access control). * Experience in networking design and architectures, as well as network management. * Working knowledge of Linux and Windows operating systems (Puppet CM or similar). * Possess, or obtain within 6 months, GSLC, CAP, or Security+ certification. * Experience working with Continuous Monitoring strategies. * Working Knowledge of VMware virtualization technology to include configuration, maintenance as well as snapshot-based backup solutions. * Familiarity with Cisco and non-vendor specific managed and unmanaged switches and firewalls * Experience with Windows Servers, to include, GPO, Domain Controllers, DNS and DHCP as well as encryption-based systems. * Working Knowledge of Patching and updating Windows and Red Hat servers and workstations. * Familiarity with ACAS Suite, to include Nessus Security Center scanning as well as SCAP tools to create STIG checklists for hardening of systems. * Risk Management Framework (RMF) along with Enterprise Mission Assurance Support Service (eMASS) experience to address any Plan of Action and milestones POA&M's * Working knowledge of cabling, such as fiber optic in a multiple Rack environment. * KVM and SIEM implementation as well as McAfee endpoint enterprise knowledge. * Shell Scripting knowledge such as Power shell, python and Bash experience will be helpful. Preferred Qualifications: * Experience in the administration of cloud-based systems, software, and accreditation. * Experience in the administration of space-based data systems with familiarity with space-based missions and operations with a focus on data exploitation. * CISSP certified. ## Description CTC is looking for talented Senior Information System Administrator with experience accrediting, maintaining, and ensuring cyber security for servers and networks in a classified research and development lab working with space-based information systems. CTC has put together a cohesive energized team who work together on providing secure data systems while dealing with the challenges of critical space-based data. You will get to work with leading edge technologies, further develop your technical skills, and expand into cloud technologies and administration., * Maintain current systems and adhere to policies and procedures to ensure their security and integrity on Army Classified networks. * Support the Risk Management Framework (RMF) in a classified environment while helping to identify and implement overall security requirements for the proper handling of data and provide guidance for development and operational efforts regarding information assurance (IA) functions, particularly those focusing on IA planning, infrastructure protection, and defensive strategy. * Contribute to security planning, assessment, risk analysis, risk management, certification, security awareness, system administration, networking, maintenance, and continuous monitoring of Windows and Linux servers, workstations, and virtual machines in standalone and networked environments. ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Automate everything via NodeJS and Puppeteer](https://www.wearedevelopers.com/videos/322-automate-everything-via-nodejs-and-puppeteer) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) ## Related Articles - [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) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)