Senior Systems Administrator - Leidos

The Senior Systems Administrator is responsible for the overall operation and maintenance of the organization's computer systems and networks. The Senior Systems Administrator will work closely with the organization's IT and management teams to ensure the smooth operation of the organization's computer systems, resolve technical issues, and implement new technologies as needed.  

Key Responsibilities:  

• Lead the operations and maintenance of computer systems and networks: Lead the operations and maintenance of the organization's computer systems and networks, including servers, workstations, and mobile devices.  

• Monitor the organization's computer systems and networks for technical issues and resolve these issues in a timely and effective manner.  

• Implement and maintain security measures, such as firewalls, antivirus software, and encryption, to protect the organization's computer systems and networks.  

• Manage user accounts, including creating new accounts, resetting passwords, and revoking access as needed.  

• Perform software and hardware upgrades, as needed, to ensure that the organization's computer systems and networks remain up-to-date and secure.  

• Develop and maintain documentation for the organization's computer systems and networks, including network diagrams, user manuals, and technical specifications.  

• Work closely with the organization's IT team to ensure that the organization's computer systems and networks are aligned with the organization's technology needs and are effective in supporting the organization's operations.  

• Stay current with emerging technologies, including new operating systems, hardware, and software, and make recommendations for adopting new technologies as needed.  

• Mentor and train junior team members, including System Administrators and Help Desk Support Specialists, to ensure their professional development and effectiveness in supporting the organization's computer systems and networks.  

Basic Qualifications:  

• A bachelor's degree in Computer Science, Information Technology, Engineering, or a related field is preferred and 5+ years IT experience, or an Associates degree and 10+ years experience.  

• 5+ years of experience in computer systems administration, with at least 2 years of experience in a senior role. Experience with designing, deploying and maintaining VMware Datacenter, Horizon View and network storage. Expert level experience in designing, deploying and maintaining Microsoft Active Directory and infrastructure systems including Exchange, File Servers, MDM management, SharePoint and PKI  

• Strong technical background, with a good understanding of computer systems, networks, and security technologies. Detailed knowledge of Linux and Cisco equipment  

• Strong problem-solving skills, with the ability to identify and resolve complex technical issues.  

• Excellent verbal and written communication skills, with the ability to effectively communicate technical information to both technical and non-technical stakeholders.  

• Excellent attention to detail, with the ability to accurately perform routine tasks and maintain documentation.  

• Strong time management skills, with the ability to prioritize tasks and meet deadlines.  

• Relevant certifications, such as CompTIA A+, CompTIA Network+, Cisco, VMWare, and Microsoft certifications are highly desirable.  

• Strong leadership skills, with the ability to mentor and train junior team members.