Top Secret | Systems Network Engineer (DoS)

Conceras, LLC; Washington, Northern (District of Columbia, KY); On-site; USD 120,000 - 160,000; Full time

Job summary

Conceras, LLC seeks a Systems Network Engineer to support the DoS DT program in Washington, DC. Responsibilities include designing, implementing, and maintaining LAN/WAN, ensuring security compliance, and advising on network best practices for federal environments.

The role requires TS/SCI eligibility and hands-on experience with government networks, monitoring tools, and modern networking protocols. On-site work at the DoS building is expected with a strong security mindset.

Qualifications

• Bachelor’s degree in computer science, computer engineering, or related discipline with 5+ years of experience; or a master’s with 3+ years.
• Minimum of 4 years IT network engineering support experience (Tier II/III, infrastructure, maintenance).
• 3+ years with Cisco Nexus, Cisco Catalyst, DoD Network Standards (STIGs).
• Experience with government customers in secure environments; familiarity with NIPRNET/SIPRNET operating standards.
• Quality assurance reviews of engineering change orders for perimeter security hardware/software.
• Proficiency in root cause analysis, risk identification/mitigation.
• Knowledge of cabling standards (fiber/copper).
• Experience with network monitoring tools (HP OpenView, STORM, AWS, NeuralStar).

Responsibilities

• Evaluate, design, document, install, test, and troubleshoot network components and systems.
• Monitor, tune, and maintain network performance; set standards across infrastructure.
• Provide client consulting and training on network architectures and best practices.
• Plan, evaluate, and recommend new network and storage technologies.
• Use monitoring tools to identify, isolate, and resolve network issues.
• Develop solutions to operational challenges within existing equipment constraints.
• Create contingency plans for hardware failures and outages.
• Offer internal consulting and support to developers, IT operations, and stakeholders.

Skills

Network engineering

DoD STIGs

Cisco Nexus

Cisco Catalyst

NIPRNET/SIPRNET

Root cause analysis

Cabling standards

Network monitoring

Security concepts

Education

Bachelor’s degree in CS/CE

Master’s degree in related field

Tools

HP OpenView

STORM

AWS

NeuralStar

Job description

Position Title

Systems Network Engineer

Location

HST

Clearance Requirement

Active Top Secret with SCI eligibility

Position Description

We are seeking a skilled LAN/WAN Network Engineer to support the Department of State (DoS) Bureau of Diplomatic Technology (DT) program. This program delivers transparent, interconnected systems and robust security to enable the DoS to fulfill its U.S. foreign policy mission. DT provides comprehensive enterprise architecture design, engineering, operations, and maintenance support for desktops, servers, networks, firewalls, and enterprise applications across the Department.

Key Responsibilities

• Evaluate, design, document, install, implement, test, and troubleshoot a wide range of network components and systems.
• Monitor, tune, and maintain network performance; set standards and ensure compliance across network infrastructure.
• Provide client consulting and training on network systems, architectures, and best practices.
• Plan, research, evaluate, and recommend new network and storage technologies.
• Utilize monitoring and performance analysis tools to identify, isolate, and resolve network issues.
• Develop solutions to operational challenges within the constraints of existing equipment and infrastructure.
• Create and execute contingency plans for network hardware failures, including both isolated incidents and major outages.
• Offer internal consulting, technical guidance, and support to application developers, IT operations, workstation support teams, management, and departmental clients.

Required Education & Experience

• Bachelor’s degree in computer science, computer engineering, or a related discipline and at least 5years of relevant experience; or a master’s degree and at least 3years of experience. Additional experience may be considered in lieu of a degree.
• Minimum of 4years of IT network engineering support experience (including Tier II/Tier III support, network infrastructure implementation, and maintenance).
• Minimum of 3 year ofexperience with one or more of the following: Cisco Nexus, Cisco Catalyst routing and switching, DoD Network Standards (STIGs).
• Experience supporting government customers in secure environments, with familiarity in NIPRNET and SIPRNET operating standards and guidelines.
• Demonstrated experience developing and conducting quality assurance reviews of engineering change orders for perimeter security hardware and software.
• Proficiency in root cause analysis, risk identification, and risk mitigation.
• Expert knowledge of cabling standards, including fiber optic and copper cable termination.
• Experience with network monitoring tools such as HP OpenView, STORM, AWS, NeuralStar, or similar platforms.

Desired Qualifications

• ITIL® Foundation certification.
• Professional certifications such as Network+, Cisco CCNA, Cisco CCNP, or BICSI.
• Familiarity with the Department of State environment, including data and voice networks, IT security systems, policies, and procedures; knowledge of Foreign Affairs Handbooks (FAHs) and Foreign Affairs Manuals (FAMs).
• Strong interpersonal skills, including effective collaboration, self-awareness, and excellent written and verbal communication abilities.

Clearance Requirements

• Candidate must be a US Citizen and possess a current US “Top Secret” security clearance
• Candidate must be qualified for a TS/SCI clearance and have held an SCI clearance within the past 3 years.

Full Time/Part Time

Full Time

Work Location

Department of State, Harry S. Truman Building, Washington, DC 20520

U.S Citizenship Required?

Yes

Travel % Required

0%

Supervisory? (Yes/No)

No