Duties and Responsibilities - Job Specifications: * Knowledge or expertise with Active Directory, Domain Controller and group policy creation and maintenance. * Knowledge or expertise with SQL server along with database administration. * Knowledge or expertise with Powershell, scripting, Vulnerability assessment/Management, mitigation to include STIG and SCAP tools. * Expertise with Windows server 2016 both core and GUI, Symantic Proxy Server SG-S400 * Participates in the development and implementation of Server-related procedures and standards. * Participates in and may lead aspects of major Server installations and upgrades requires ability to travel. * Knowledge/expertise in LINUX McAfee ATD/TIE RedHat. * Develops and implements testing strategies and document results. * Have ability to write POA&M for enterprise. * Troubleshoots and resolves complex problems. * May provide work leadership to less-experienced network personnel. * Maintains current knowledge of relevant technologies as assigned. * Participates in special projects as required. * Working knowledge of ACAS and HBSS Qualifications: Education: Bachelor's Degree in Computer Science or a related technical discipline, or the equivalent combination if education, professional training, or work experience. Specialized knowledge: * Comprehensive knowledge of the principles, methods, and techniques used in System administration and support. * Comprehensive knowledge of server related hardware and software, both windows based and linux based. * Comprehensive knowledge of desktop operating systems and applications. * May require professional certification in one or more specific technologies, depending on job assignment. Experience: 8- 12 years of experience of working with Linux or Windows operating systems. Professional Certification: CompTIA Advanced Security Practitioner (CASP) https://phoenixts.com/blog/casp-certification/ - or any IAT Level III Certification: https://iase.disa.mil/iawip/pages/iabaseline.aspx. Clearance Level: Active DOD Secret Clearance SIM&S, Inc. is an Equal Opportunity Employer and does not discriminate on the basis of race, religion, color, sex, gender identity, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status or any other protected class.