Senior Network Engineer-536147

Dni (Delaware Nation Industries)

Tribal‑owned federal contractor delivering enterprise IT, cybersecurity, construction, professional & mission services.

Manages OIGNet routing, switching, firewalls, security, cloud, and supports federal networks.

9 days ago ago

Expert & Leadership (13+ years), Experienced (8-12 years)

Full Time

Arlington, VA

Onsite

Company Size

1,700 Employees

Service Specialisms

Construction services

Project Management

Consulting

Engineering

Design

Technical Services

General Contractor

Sector Specialisms

Engineering Services

Cybersecurity Services

Information Technology Services

Professional Staffing

Research and Development

Construction Services

Management Services

Environmental Services

Role

What you would be doing

routing switching

firewall management

network monitoring

zero‑trust

security tools

datacenter solutions

Supports all FISMA A&A and continuous monitoring efforts for on-premise and cloud environments
Participates in team meetings, collaborates with other team members and teams on projects and tasks
Uses OIG ticketing system to resolve problem tickets
Manages routing, switching and firewall infrastructure for on-premises, co-location site and cloud environments
Monitors performance of network infrastructure and provides last tier troubleshooting support as necessary
Monitors availability of all applications, systems and networks per established SLAs
Interfaces with external entities such as IRM, other federal agencies and internet service providers to work on projects and troubleshooting efforts when necessary
Implements zero-trust network architecture concepts to always keep OIGNet network secure
Implements and/or uses IT security tools to monitor and protect OIGNet network and all associated assets
Designs, implements and supports new network and datacenter solutions such as voiceover-IP, IPv6, datacenter switches and routing
Provides last tier support during normal business and after hours in critical network outage situations to provide quick resolution
Supports existing and new implementations from an operational perspective
Works with lead network engineer and datacenter manager to set priorities for projects and tasks
Guides junior engineers as necessary on topics related to OIG projects and tasks
Manages all components and aspects of OIGNet network, provides assistance and support as necessary for OpenNet and ClassNet networks
Monitors overall security posture of applications, systems and networks and takes immediate action to address identified issues
Creates detailed network diagrams, as built, and standard operating procedure documents

What you bring

palo alto

cisco

azure

zero trust

ipv6

itil

Strong problem solving, leadership and project management skills.
Ability to evaluate residing systems for network, system and security readiness as well as provide troubleshooting for application environment issues
Three years of experience working with Palo Alto firewalls, Panorama
Understanding of and experience with ITIL, CMMI, and/or PMP processes and implementation
Three years of experience with routing and switching protocols such as OSPF, BGP, HSRP, VRRP, spanning tree, various 802.1 protocols, trunking and traffic aggregation
Knowledgeable about the zero trust networking technologies and hands-on experience with supporting solutions implementing this concept
Experience supporting federal agency networks and datacenters
Experience supporting and managing enterprise wireless network solutions
Understanding of the Border Gateway Routing Protocol (BGRP) and Generic Routing Encapsulation (GRE).
A bachelor's degree in engineering or computer science or related IT field and ten years of experience in support of Windows/Linux/Unix operating systems, Cisco networking equipment and systems integration for classified and unclassified networks.
Strong knowledge and deep understanding of the OSI network stack and hands-on experience with layer 2 and 3 concepts
Strong knowledge and deep understanding of network security concepts and implementation to protect federal networks
Eight years of experience with designing, installing and supporting routing, switching and firewall equipment
Experience with implementing and using performance management and security management tools
Experience with VPN encryption devices, such as Cisco routers, Cisco ASA's and Nortel Connectivity.
Proficiency with all aspects of Windows Server 2003, 2008 Active Directory Services.
Eight years of experience working with Cisco, Juniper and Ciena switches
Two years of experience working directly with internet service providers
Good understanding of requirements for federal agencies network such as trusted internet connections (TIC 3.0), DHS Binding Operational Directives, OMB Memorandums etc.
Two years of experience working in Microsoft Azure cloud environment supporting and designing new solutions
Experience working with and implementing IPv6 addressing and networking for the entire networks
Ability to troubleshoot network connectivity issues and resolve problems related to outages.
Two years of experience with deploying or administering network configuration management solutions
Three years for experience designing and implementing fault tolerant solutions to eliminate single points of failure and make networks as resilient as possible
Experience in planning and executing systems engineering projects in support of system engineering life cycle development for classified and unclassified environments.
Strong knowledge and deep understanding of protocols such as DNS, DHCP, HTTP, SMTP
Knowledge of CISCO routers and switches and networking technologies.
Familiarity with DHS CDM program implementation and/or support
Eight years of experience designing secure complex network solutions based upon requirements

Benefits

Pet Insurance
Professional Development/Education Reimbursement
Short- and Long-Term Disability
Parking and Transit Benefits for NY, NJ, ATL, and DC Metro areas
Matching 401K
Covers 100% of employee benefit premiums, including Medical (PPO or HDHP Option), Vision, Dental

Training + Development

Information not given or found

Interview process

Information not given or found

Visa Sponsorship

Information not given or found

Security clearance

Information not given or found

People also searched

IT Operations Jobs in Arlington United States Systems Engineer Jobs in Arlington United States Security Engineer Jobs in Arlington United States Telecommunications Engineer Jobs in Arlington United States Data Center Engineer Jobs in Arlington United States IT Consultant Jobs in Arlington United States IT Operations Jobs in Silver Spring United States Systems Engineer Jobs in Silver Spring United States

Company

Overview

2010

Year Founded

The company was established in 2010, marking its inception under the Delaware Nation.

34+ States

Geographic Reach

Operates across 34+ states and international territories, demonstrating significant expansion.

97%

Annual Retention

Maintains a 97% annual retention rate, reflecting strong client satisfaction and loyalty.

CMMI‑SVC ML3

Certification Level

Achieved CMMI-SVC ML3 certification, indicating advanced capabilities in service management.

Leverages tribal SBA 8(a) and HUBZone status to deliver fast-track, sole-source contracts across civilian and DoD sectors.
Employs a shared-services model integrating enterprise IT, cybersecurity, R&D, construction & professional staffing.
昫 undertake mission-critical IT systems, Cybersecurity deployments, commercial building construction, and medical supply logistics.
Recognized for performance excellence with ISO 9001 & ISO 27001 certifications.
Distinctive subsidiary distributes American-made, fentanyl-rated nitrile gloves and medical imaging equipment.
Rooted in Lenni-Lenape heritage, infuses its SHINES culture—Selflessness, Humility, Integrity, Native Pride, Entrepreneurship, Servanthood—into its business narrative.

Culture + Values