Find & Apply For Network / Systems Administrator Jobs in Littleton, Colorado

About the Authority The Arapahoe County 911 Authority has served as the cornerstone of emergency communications in our region since 1988. As a non-profit public entity operating under Colorado state statutes, we provide the technology, funding, and coordination that support six Emergency Communications Centers serving more than 320,000 residents across 717 square miles - collectively handling over 239,000 emergency calls and 440,000 total calls each year. We are building out our dedicated Authority staff to meet the growing complexity of public safety communications. This is an opportunity to join a small, mission-driven team supporting the essential work of keeping 9-1-1 services reliable for the communities we serve. About the Role The 911 Network Administrator is a hands-on, mission-critical position responsible for administering, securing, and maintaining the Authority's Cisco-based network infrastructure, security systems, and telephony connectivity supporting emergency communications across all six Emergency Communications Centers (ECCs). This position administers all Authority-owned Cisco routers, switches, firewalls, and related network equipment; manages SIP-based 9-1-1 call delivery to the Authority's Intrado Viper call handling environment; manages backup call routing (BCR) and Emergency Services IP Network (ESInet) connectivity in coordination with Lumen, the Authority's NG9-1-1 Core Services provider; and administers Cisco Secure Firewall (Firepower) with Cisco Firepower Management Center (FMC) and Cisco Duo for multi-factor authentication. The Network Administrator works in close coordination with the 911 System Administrator, including a shared 24x7 on-call rotation, and serves as a primary technical liaison between the Authority and the IT departments and technology providers supporting each ECC. This is a role for a public-safety-minded network professional who thrives in a mission-critical environment and wants to contribute to the reliability of 9-1-1 services. What You'll Do Administer all Authority-owned Cisco network equipment, including routers, switches, firewalls, wireless access points, VPN concentrators, session border controllers, and related infrastructure. Administer SIP-based 9-1-1 call delivery infrastructure, backup call routing (BCR), and ESInet connectivity in coordination with Lumen and the Authority's Intrado Viper call handling environment. Administer Cisco Secure Firewall (Firepower) through Cisco Firepower Management Center (FMC), including policy configuration, rule sets, intrusion prevention, and software updates. Administer Cisco Duo for multi-factor authentication and secure access, including policy management, application integrations, device trust, and user enrollment. Serve as the primary technical liaison for network and telephony matters with each of the six Emergency Communications Centers; coordinate with on-site Authority staff and ECC personnel for routine support, and conduct on-site assessments during quarterly Colorado trips. Participate in a shared 24x7 on-call rotation with the 911 System Administrator for response to critical system incidents, and provide cross-coverage on Intrado Viper administration as needed. Coordinate with Lumen, carriers, Intrado, Cisco, and other vendors on network and telephony issues; coordinate enrollment and documentation of critical lines in the federal Telecommunications Service Priority (TSP) Program. Support network operations at the Authority's Backup Communications Center (BCC), including equipment readiness, connectivity validation, and periodic activation exercises. Maintain current technical documentation, including network topology diagrams, configuration baselines, IP address management, firewall rule sets, and standard operating procedures. What We're Looking For Required Associate's degree in information technology, network engineering, computer science, or a related field, or an equivalent combination of education and experience. Minimum of five years of progressively responsible experience administering enterprise networks, including routers, switches, firewalls, and related infrastructure. Active Cisco Certified Network Associate (CCNA) certification or higher Cisco certification at hire, maintained throughout employment. Demonstrated experience administering a 9-1-1 call handling, NG9-1-1, or comparable mission-critical communications platform. Ability to participate in a shared 24x7 on-call rotation and respond to critical system incidents outside normal business hours. Valid US driver's license and satisfactory driving record; ability and willingness to travel to Colorado on a quarterly basis and additionally for large projects, with all travel at Authority expense. Ability to pass a background check and Motor Vehicle Record (MVR) check consistent with access to CJIS-regulated systems. Preferred Bachelor's degree in network engineering, information technology, computer science, or a related field. Cisco Certified Network Professional (CCNP) certification in Enterprise or Security track. Cisco Firepower / Secure Firewall specialization. Direct experience administering Intrado Viper call handling systems. Experience working with or supporting a Public Safety Answering Point (PSAP) or Emergency Communications Center. Intrado Viper 7 Core Call Handling Installation and Configuration certification (or willingness to obtain within 12 months of hire). CJIS Security Awareness Certification (or ability to obtain within 90 days of hire). Compensation and Benefits The salary range for this position is $140,000 to $160,000 annually, depending on qualifications and experience. In addition to competitive compensation, the Authority offers: Medical, dental, and vision insurance. Paid time off, sick leave, and paid holidays. Retirement plan with employer contribution. Professional development, continuing education, and Cisco certification maintenance support. Mileage reimbursement for use of personal vehicle for Authority travel. Work Environment This is a full-time, Exempt position that may be performed remotely from a home office within the continental United States. The role requires travel to Colorado on a quarterly basis for on-site assessments and coordination with the 911 System Administrator, with additional project-based travel throughout the year for large initiatives. All Authority-required travel is at the Authority's expense, including airfare, lodging, ground transportation, and per diem. The Authority's core operating hours are Mountain Time, and the position must be available during Mountain Time business hours as needed for coordination with Authority staff, the six ECCs, and vendors. The position participates in a shared 24x7 on-call rotation with the 911 System Administrator for response to critical system incidents outside normal business hours, including evenings, weekends, and holidays. The position is designated essential personnel and may be required to report for work regardless of weather conditions or during declared emergencies. Employment is contingent on passing a background check and Motor Vehicle Record (MVR) check consistent with access to CJIS-regulated systems and obtaining CJIS Security Awareness Certification within 90 days of hire. How to Apply To apply for this position, please submit the following by email to hr@arapahoee911.

com:

Resume (PDF preferred) Cover letter addressing your relevant experience for the position Three professional references, including name, title, organization, phone number, and email address Documentation of current Cisco certification(s) Please use the subject line: "911 Network Administrator Application - [Your Last Name]" so we can route your application appropriately. First review of applications will begin October 27, 2026. Position will remain open until filled. Selected candidates will be contacted to schedule interviews. Questions about this position may also be directed to hr@arapahoee911.com. Equal Opportunity The Arapahoe County 911 Authority is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other characteristic protected by federal, state, or local law.

Pay:

$140,000.00 - $160,000.00 per year

Benefits:

401(k) 401(k) matching Dental insurance Employee assistance program Flexible schedule Health insurance Life insurance Paid time off Parental leave Professional development assistance Vision insurance

Work Location:

Hybrid remote in Littleton, CO 80120