Senior Principal Network Engineer/Specialist

Senior Principal Network Engineer/Specialist

Concurrent Technologies Corporation

Linthicum, MD (Full-time Onsite)

Minimum Clearance Required:  TS/SCI with FS Poly

Clearance Level Must Be Able to Obtain:  TS/SCI with FS Poly

This position is independently responsible for leading and delivering multiple, highly complex network projects of critical importance to the organization's technical direction. The Senior Principal Network Engineer/Specialist applies leading-edge principles, theories, and concepts to solve the most challenging technical problems, develop innovative solutions, and advance industry knowledge in network engineering. Recognized as a top expert in the field, this role plays a pivotal role in overall functional strategic planning, with responsibilities that may include department-level leadership and supervision.

Key Responsibilities:

Strategic Network Architecture and Vision:

• Lead the design, development, and implementation of enterprise-wide, mission-critical network architectures to meet organizational and DoD requirements.
• Define and drive the organization's long-term network strategy, ensuring alignment with business objectives and emerging technologies.
• Serve as a thought leader, identifying and integrating cutting-edge technologies to maintain a competitive edge in network engineering.

Technical Leadership and Innovation:

• Solve the most complex technical problems, including those of critical importance to the organization's operations and strategic direction.
• Develop and implement groundbreaking solutions to address unique challenges in network engineering and cybersecurity.
• Act as the primary technical advisor to executive leadership, providing expert guidance on network-related decisions and strategies.

Compliance and Security Leadership:

• Ensure all network systems comply with DoD cybersecurity standards, including NIST 800-171, RMF, and other applicable regulations.
• Lead the development and implementation of advanced security measures, such as zero-trust architectures, intrusion prevention systems, and encryption protocols.
• Oversee risk assessments and develop comprehensive mitigation strategies to address vulnerabilities and ensure operational resilience.

Program and Project Leadership:

• Lead cross-functional teams on multiple, large-scale projects of significant scope and complexity, ensuring successful delivery of objectives.
• Manage department-level resources, budgets, and timelines, while maintaining alignment with organizational priorities and customer expectations.
• Represent the organization to external stakeholders, including government agencies and industry partners, on high-profile network-related initiatives.

Documentation and Reporting:

• Develop and maintain comprehensive documentation of network designs, configurations, and processes for organizational use.
• Prepare executive-level reports and presentations on network performance, project outcomes, and strategic initiatives for senior leadership and external stakeholders.
• Establish and enforce technical standards and best practices for network operations and security.

Mentoring and Organizational Development:

• Mentor and guide senior engineers and technical staff, fostering their professional growth and development.
• Lead training sessions, workshops, and knowledge-sharing initiatives to promote technical excellence across the organization.
• Contribute to the development of organizational policies and procedures to enhance operational efficiency and effectiveness.

Manager Defined Field:

• Previous military experience, civilian gov experience, or experience supporting a Government customer.
• Strong communication skills, including listening for and solicitating technical requirements, the ability to explain technical concepts at appropriate levels commensurate with the audience, honesty and forthrightness in navigating difficult technical challenges, tailor communication to provide remote end user support and troubleshooting.
• A demonstrated track record of working independently to address network administration and support needs. The ability to define, plan, and execute tasks with limited direct oversight.
• Comfortable working as a member of a small team; contribute to planning and milestone setting; provide perspective and analysis of alternatives.
• Experience working within an Agile development context. Defining sprint goals, epics, and tasks.

  Infrastructure:

• Experience maintaining Ethernet networks and IPv4 addressing.
• Configuration and Administration of Cisco switches and routers.
• Define and route IP VLANs.
• Firewall administration and tuning (end points, servers, and network devices)
• RSA administration
• Familiarity with multiple VPN technologies.
• Versed in use of PowerShell, Bash, Python, and scripting.
• Establish and administer data center virtualization capabilities using VMWare (VxRail, vSphere, ESXi, vCenter), MS Hyper-V, and Proxmox.
• Administration of storage services (e.g., vSAN, TrueNAS, Sonatype Nexus)
• Ability to establish, document, and test backup and recovery plans. Experience with Veeam a plus.
• Exposure to challenges and differences when operating out of band non-internet connected networks.

Windows:

• Experience administering Windows domains and network services including: Active directory, DHCP, DNS, Kerberos, User accounts, Group Policies, etc.
• Administration and maintenance of Windows workstation endpoints to include account management, certificates, device encryption, patching and updates, SCCM, WSUS, Remote Desktop.
• On-prem MS Office productivity tools: Excel, PowerPoint, Word, deploy, admin, maintain.
• Deploying, patching, and maintaining endpoint applications and tools.
• Provisioning and administering on-prem SharePoint environments.
• Provisioning and administering on-prem Exchange services and email clients.
• Auditing, logging, and event management within Windows environments.

Linux:

• Experience installing, configuring, hardening, operating, and supporting Red Hat Enterprise Linux (RHEL) 7, 8, 9, & 10 servers. (LEAPP)
• Experience with Red Hat license management.
• Experience with Red Hat Satellite and Ansible.
• Experience building and maintaining software package repositories in closed network environments (e.g., yum.dnf)
• The ability to harden and demonstrate/test hardening of Linux-based systems: SELinux, fapolicyd, SCAP, etc.

System Security Operations:

• Network and Information System Security assessment and vulnerability management.
• Use of tools including SIEMs (e.g., Splunk, ELK, Wazuh), Tenable Security Center, Nessus, OSCAP, Satellite
• Incident identification and response.
• MS Defender A/V, Clam A/V

Application Administration and Maintenance:

• GitLab
• Atlassian Confluence and Jira
• Nexus
• Wazuh
• Software/System license tracking and management.

Required Qualifications:

• Master's degree in Computer Science, Information Technology, or a related field.
• 12+ years of relevant experience or equivalent work experience.
• Expert-level knowledge of networking concepts, including TCP/IP, DNS, VLANs, subnetting, and routing protocols (e.g., OSPF, BGP, EIGRP).
• Extensive experience with network monitoring and troubleshooting tools (e.g., SolarWinds, Wireshark).
• Advanced understanding of cybersecurity principles and practices, including firewalls, intrusion prevention systems, and vulnerability management.

Preferred Qualifications:

• Certifications such as CCIE, CISSP, or equivalent.
• Extensive experience with DoD network environments, protocols, and compliance standards (e.g., NIST 800-171, RMF).
• Expertise in advanced networking technologies, such as SD-WAN, VPNs, cloud-based networking solutions, and zero-trust architectures.
• Proficiency in automation tools and scripting for network management (e.g., Python, Ansible).
• Demonstrated ability to lead department-level projects and interface with senior stakeholders, including government agencies and industry partners.

Benefits:

• The starting salary range for this position has been established as $189,882 – $250,000
• Medical Insurance and Prescription
• Dental Insurance
• Vision Insurance
• Life and AD&D Insurance
• Short-Term/Long-Term Disability Insurance
• Employee Assistance Program (EAP)
• Voluntary Critical Illness and Accident Insurance
• Tuition Reimbursement Assistance
• Paid Leave
• Paid Holidays
• Bereavement Leave
• Retirement Plan

The Concurrent Technologies Corporation pay range for this job level is a general guideline and not a guarantee of compensation or salary.

Why CTC?

• Our teams at CTC are passionate and thrive on collaboration in a team environment.
• When we encounter a difficult problem, we have a variety of talented and diverse employees that work together to solve the toughest challenges.
• Although our work at CTC is extremely important, we also recognize the need for our employees to maintain a proper mix of work and personal life.
• Competitive salary and benefits package.
• Visit  (to learn more.

Join us!  CTC offers exceptional career growth, cutting edge technology, educational opportunities, and recognition for quality work.

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Staffing Requisition: SR# 2026-0156

“We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability status, protected veteran status, or any other characteristic protected by law.”