Systems Administrator

Job Type

Full-time

Description

Systems Administrator

Primary Location: Dahlgren, VA or Virginia Beach, VA or San Diego, CA

Clearance: Active Secret

Ability to work remotely: No

Job Summary

Obsidian Solutions Group is seeking an experienced Systems Administrator to manage, maintain, and secure critical government IT infrastructure and systems. The Systems Administrator will be responsible for the day-to-day operation, configuration, and maintenance of servers, networks, and cloud environments while ensuring system availability, performance, and security. This role requires comprehensive knowledge of network infrastructure, security best practices, system administration, and cloud computing technologies.

Specific Responsibilities

• Administer and maintain server and client operating systems in enterprise environments
• Configure and manage network infrastructure including LAN/WAN architecture, routers, switches, and pathways
• Implement and maintain network protocols including TCP/IP, DHCP, DNS, and directory services
• Monitor and optimize bandwidth management and network traffic flow using TCP/IP and OSI model principles
• Utilize performance tuning tools and techniques to ensure optimal system and network performance
• Configure and manage remote access technologies and VPN security
• Use common network tools including ping, traceroute, and nslookup for troubleshooting and diagnostics
• Manage file system implementations including NTFS, FAT, and EXT
• Implement and manage virtualization technologies and virtual machine environments
• Apply IT security principles and methods including firewalls, DMZs, and encryption
• Implement network security architecture using defense-in-depth strategies
• Apply cybersecurity principles to protect systems against threats and vulnerabilities
• Ensure compliance with national and international cybersecurity laws, regulations, and policies
• Enforce organizational IT user security policies including account management and access control
• Protect sensitive data in accordance with data security standards (PII, PCI, PHI)
• Perform system administration, network, and operating system hardening
• Deploy and manage software-based computer protection tools including firewalls, antivirus, and antispyware
• Maintain knowledge of transmission records (Bluetooth, RFID, IR, Wi-Fi) and jamming techniques
• Utilize system/server diagnostic tools for fault identification and resolution
• Execute operating system command line operations (ipconfig, netstat, dir, nbtstat)
• Perform system maintenance procedures including cleaning, disk checks, reboots, and backups
• Manage cloud computing environments across SaaS, IaaS, and PaaS service models
• Implement cloud computing deployment models including private, public, and hybrid configurations
• Apply cloud security strategy and architecture best practices
• Migrate workloads between cloud service models as required

Requirements

Required Qualifications

• Four (4) years of system management experience
• Bachelor's degree in Information Technology, Computer Science, or related field required
• DOD 8570 IAT II certifications required (Security+ or equivalent)
• Expert knowledge of computer networking concepts, protocols, and security methodologie
• Strong understanding of LAN/WAN architecture and pathways
• Proficiency with bandwidth management principles and techniques
• Expert knowledge of network traffic flow including TCP/IP and OSI model
• Experience with performance tuning tools and techniques
• Proficiency with remote access technologies and VPN security
• Strong knowledge of network protocols (TCP/IP, DHCP, DNS, directory services)
• Experience using common network tools (ping, traceroute, nslookup)
• Knowledge of file system implementations (NTFS, FAT, EXT)
• Experience with virtualization technologies and virtual machine management
• Strong understanding of IT security principles and methods (firewalls, DMZs, encryption)
• Knowledge of network security architecture concepts (topology, protocols, defense-in-depth)
• Understanding of cybersecurity principles, threats, and vulnerabilities
• Knowledge of national and international cybersecurity laws, regulations, and policies
• Experience implementing organizational IT user security policies (account management, access control)
• Understanding of data security standards (PII, PCI, PHI)
• Proficiency in system administration, network, and operating system hardening techniques
• Experience deploying and managing software-based computer protection tools (firewalls, antivirus, antispyware)
• Knowledge of transmission records (Bluetooth, RFID, IR, Wi-Fi) and jamming techniques
• Proficiency with server and client operating systems
• Strong systems administration knowledge and best practices
• Understanding of enterprise IT architecture
• Experience with system/server diagnostic tools and fault identification
• Proficiency with operating system command line operations (ipconfig, netstat, dir, nbtstat)
• Experience with system maintenance procedures (cleaning, disk checks, reboots, backups)
• Knowledge of cloud computing service models (SaaS, IaaS, PaaS)
• Understanding of cloud computing deployment models (private, public, hybrid)
• Experience with cloud security strategy and architecture
• Experience migrating workloads between cloud service models

Physical Requirements and Work Environment

• Typical office environment with standard computer workstation setup
• May require extended periods of sitting and computer use
• Ability to work in secure facilities and handle classified information
• May require work in data center environments with occasional lifting of equipment up to 50 lbs
• May require working in server rooms with variable temperatures

Travel

• Travel may be required up to 10-15% depending on contract requirements and customer location

Company Description

Obsidian Solutions Group LLC (OSG) is a fast-growing professional services firm based in Fredericksburg, VA. We create value for our customers by delivering technology-enabled & mission-oriented technical solutions that solve complex problems, protecting people, information, and assets. Our core capabilities are in providing Enterprise IT, Intelligence Analysis, Production & Development and Knowledge-Based Professional Services Solutions that enable the customer's mission. Obsidian Solutions Group LLC is a certified 8(a), service-disabled, veteran-owned small business.

A career at Obsidian Solutions Group means you are able to put your expertise, credentials, and talents to great use working with customers in the DOD and Intelligence Community, while enjoying the excitement of working in a fast-growing organization committed to making a difference for our customers and in our community. Contribute independently and collaboratively alongside our amazing team of doers and thinkers. Obsidian Solutions Group is small enough to offer a family atmosphere yet large enough to deliver a highly competitive compensation package. We hire and retain the best in the industry, offering exceptional benefits that protect the well-being of our employees, their spouses and domestic partners, and their families.

Our corporate philosophy is centered on hiring and retaining employees with the requisite skills, professional experience, personal commitment, and ethical standards necessary to foster a culture of operational excellence necessary to surpass our customer's expectations.

Disclaimer

The above information on this description has been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities, and qualifications required of employees assigned to this job.

Obsidian Solutions Group is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy and gender identity), national origin, political affiliation, sexual orientation, marital status, disability, genetic information, age, membership in an employee organization, parental status, protected veteran status, and any other non-merit factor, or any other characteristic protected by law.