Network Operations and Security Center (NOSC) Technician (Senior)

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Job Summary
JCS Solutions is seeking an experienced Sr. Network & Systems Engineer to support large-scale operations on a high-profile Department of War (DoW) contract at Fort Belvoir, VA . This role supports the I3TS program, which delivers enterprise-wide IT services to DTRA's Information Management & Technology Directorate (ITD). The successful candidate will serve as a senior technical authority responsible for engineering, systems analysis, operational oversight, and strategic modernization initiatives across Unclassified, Secret, and Top Secret environments. This position plays a critical role in ensuring secure, resilient, and mission-focused IT operations for stakeholders throughout CONUS and OCONUS locations.

What’s in it for you: 
- Join a premier technology firm specializing in innovative solutions.  
- Be part of a collaborative, inclusive, and innovative work culture.  
- Enjoy tremendous growth potential in a high-performing team environment.  
- A robust benefits package:  Health, dental, and vision insurance  
- Life insurance  
- Short-and-long term disability  
- Paid time off (PTO)  
- 401k retirement plan with employer match 
- Annual Professional Development Reimbursement Program  
- And more!

What you will do:
- Apply advanced systems analysis techniques to advise DTRA leadership and mission partners on enterprise technology solutions, system requirements, capacity planning, and architectural roadmaps.
- Analyze, document, test, and modify network and server configurations, security controls, and Active Directory environments to align with DoD directives and security baselines.
- Serve as the 24x7x365 Network Operations and Security Center (NOSC) Operations Watch Officer during assigned shifts.
- Lead troubleshooting and resolution efforts for complex enterprise system and network outages across multiple environments.
- Develop diagnostic strategies, perform event correlation, and conduct root-cause analysis for high-impact incidents.
- Support continuous improvement initiatives related to operational procedures, incident response frameworks, and SLA-driven workflows.
- Evaluate and integrate third-party technologies and vendor solutions within enterprise environments.
- Manage and support configurations within the ServiceNow ITSM framework.
- Interface directly with mission partners, DISA, Joint Forces, and Combatant Commands regarding operational status, network performance, vulnerabilities, and technical solutions.
- Prepare and deliver operational briefings, executive summaries, technical reports, and After-Action Reports (AARs) to senior leadership.
- Provide technical leadership and guidance to Tier I, II, and III support personnel.
- Monitor and maintain enterprise network health using DoD-approved monitoring tools, including SolarWinds.
- Troubleshoot, resolve, and escalate technical incidents through remote or onsite support as required.
- Ensure continuous and secure access to enterprise systems supporting mission-critical operations.

What you will bring: 
- Must be a US Citizen.
- Active Top Secret/SCI security clearance at the time of consideration.
- Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field and 8-12 years of relevant experience; OR
- Master's degree in a related field and 6-10 years of relevant experience.
- Equivalent high-level technical experience may be considered in lieu of a degree.
- Advanced understanding of enterprise networking technologies, including TCP/IP, DNS, DHCP, VPNs, routing, switching, and firewalls.
- Experience supporting enterprise server, storage, and virtualization infrastructures.
- Experience administering Active Directory in large-scale enterprise environments.
- Experience utilizing enterprise monitoring platforms such as SolarWinds.
- Working knowledge of ITIL and IT Service Management (ITSM) best practices.
- Current DoD 8570.01-M IAT Level II certification (such as Security+ CE) or higher prior to start.

- Ability to support one of the following schedules: Day Shift: 0600-1800 (Sunday-Wednesday), or
- Night Shift: 1800-0600 (Wednesday-Saturday)

How you will wow us:
- Extensive experience in enterprise systems engineering, network architecture, or IT operations management within DoD environments.
- Demonstrated expertise supporting classified network infrastructures across multiple security domains.
- Experience developing operational procedures, escalation frameworks, and incident response processes.
- Strong executive communication and briefing skills with experience presenting technical information to senior leaders and mission stakeholders.
- Experience supporting global enterprise networks and geographically dispersed user communities.
- Background working directly with DISA, Combatant Commands, Joint Forces, or other defense organizations.

JCS Solutions (JCS) is a premier technology firm providing innovative solutions and high-quality services in defense, national security, and civilian sectors. JCS offers enterprise-wide solutions including cloud computing, software development, cybersecurity, digital modernization, and management consulting for the federal government. At JCS, we elevate our customers’ mission through the application of technology and professional services. Our commitment to investing in our workforce drives innovation and progress for our clients, employees, and communities.
JCS is both a Great Place to Work and a Top Places to Work certified company.
Our employees embody our core values, and we are looking for others who do too!
- Customer Experience: Strive for excellence and delight our clients 
- Innovation: Embrace creative thinking to enable continual growth and powerful solutions 
- Accountability: Take ownership of and pride in our actions and service delivery 
- Inspire: Be inspired to be your best self and have fun in the process 
- Integrity: Do the right thing, the right way, every time! 
- Stewardship: The careful and responsible management of something entrusted to our care. 
At JCS Solutions, compensation is based on a number of factors such as location, qualifications, and applicable contract terms. The general salary range for this position is as follows: $70,000.00 - $100,000.00

Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to any protected status protected by applicable federal, state, or local laws.
 
NOTICE : Please be aware that all JCS Solutions communications related to job interviews and offers from our recruiting team will only come from @JCSSolutions.com. We want to emphasize that we do not conduct any interviews over Discord, Slack, Skype, Zoom, or any chat app.