Systems Administrator at York Space Systems – Greenwood Village | Jobyssey

York Space Systems is seeking a System Administrator whose responsibilities include ensuring compliance with government requirements pertaining to computer systems processing classified information. The selected candidate will support classified system efforts and will perform tasks that include hardware/software configuration management (to include baseline configuration), risk assessments/vulnerability assessments, testing and documenting security controls, and ensuring overall cybersecurity compliance. The ideal candidate will have experience spanning an array of different platforms/systems and will take initiative in collaboration between cross-functional teams. The candidate must be comfortable collaborating with stakeholders to meet system requirements.
Responsibilities:

Provide technical inputs as needed for ground assets in support of classified systems
Assist with the deployment and configuration of collection services and tools
Collaborate with stakeholders to integrate cyber requirements into space assets throughout production and operation phases
Continuously evaluate/maintain system baseline in compliance with accreditation requirement
Maintain system boundary security configurations to include patch management, vulnerability remediation, implementing STIGs, and any additional system security configurations as needed
Implement systems administration tasks associated with cybersecurity control in accordance with applicable regulatory guidance and contractual requirements
Assist with validation and remediation validation of network servers, routers, and switches to ensure they comply with security policy, procedures, and technical requirements
Assist with the establishment of secured host baseline (SHB) images to be applied to multiple operating systems and DISA STIGs
Perform vulnerability testing using system test tools (i.e., ACAS/Nessus, Security Content Automation Protocol (SCAP), and/or Security Technical Implementation Guides (STIGs)) and remediate flaws within directed timeframe
Perform backups and configuration of backup repository IAW system monitoring plans
Identify and develop authorization boundary diagrams, architecture diagrams, and hardware and software inventories
Ensure that hardware, software, data, and facility resources are archived, sanitized, or disposed of in a manner consistent with system security plans and requirements
Participate in the change management process, and assess system impact of proposed changes
Report all security-related concerns and changes that may affect the system
Provide proactive system administration support
Other duties as deemed appropriate for this position

Required Qualifications:

Bachelor’s Degree in Information Technology, Information Systems Security, Cybersecurity, or related field or 5 years of directly related experience
Minimum 2 years' experience in a systems administration position for the U. S government or a U.S. government contractor
Security+ certification or equivalent
Currently possess a Top Secret clearance or higher
Proficient in Microsoft Windows and Linux operating systems
Experience using DISA Security Technical Implementation Guides (STIGs), Security Requirements Guide (SRGs) and Security Content Automation Protocol (SCAP) to securely configure network-enabled devices
Experience with anti-virus, Vulnerability Assessment, HIDS/NIDS, McAfee HBSS, Multi Factor Authentication (MFA), and Security Incident and Event Management (SIEM) and centralized auditing tools (Splunk preferred)
Willingness to work full-time in our Greenwood Village, CO office; this position does not support remote or hybrid work.

Preferred Experience:

Experience in computer hardware and software operating systems and application solutions in both stand-alone and LAN/WAN configurations
Ability to remediate security vulnerabilities by implementing solutions on networked devices and applications through malware identification, containment, and eradication
Independently capable of identifying system vulnerabilities
Experience in conducting software due diligence with COTS and GOTS solutions
Knowledge of IT security principles and methods (e.g., firewalls, demilitarized zones, encryption)
Knowledge of PKI, multi-factor authentication, and entitlements management
Working knowledge of virtualization technologies
Working knowledge of scripting/programming languages (PowerShell, Python, BASH)
Operational knowledge of switches/routers/firewalls
Strong communication and documentation skills
Positive, self-motivated individual who can complete tasks independently

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