Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior IT Systems Engineer - Public Sector

$93.09k - $124.12k
Full-time

Lumen

Lumen is the trusted network for the AI‑powered world, connecting people, data, and applications through our expansive fiber network and connected ecosystem. We enable secure, high‑performance connectivity across cloud, edge, and AI workloads for enterprises, governments, and communities.

At Lumen, you’ll work on infrastructure customers rely on today and build for what’s next, where performance, security, and resilience matter.

This is a high accountability environment where bold ideas drive real innovation for our customers, partners, and industry. The work is challenging, expectations are clear, and trust is built into how we operate. If you’re ready to take ownership, deliver meaningful impact, and help shape the future of AI‑ready connectivity, join us today.

The Role

The Senior IT Systems Engineer provides advanced Tier II support by troubleshooting and repairing network devices, tools, and services for a nationwide fiber optic transport network as well as network support for two (2) geographically separated Network Operation Centers (NOC). The IT System Engineer II is operationally responsible for all IP and network management applications associated with the IP and transport platforms and maintaining 100% availability of IP and Network Management services in engineering and operations environment. The Senior IT Systems Engineer provides advanced Tier II support by troubleshooting and repairing network devices, tools, and services for a nationwide fiber optic transport network as well as network support for two (2) geographically separated Network Operation Centers (NOC). The IT System Engineer II is operationally responsible for all IP and network management applications associated with the IP and transport platforms and maintaining 100% availability of IP and Network Management services in engineering and operations environment.

The Main Responsibilities

Perform Transport Network Management functions in engineering and operations environment; operates as a technical SME. Work Tier-2 trouble escalations for SONET, OTN, and DWDM troubles. Trouble shoot and coordinate Tier-2 Network Implementations projects; services as technical POC for service Provisioning, configurations, and Test and Turn-up processes. Interface with Lead Engineers with network requirements and designs. Work and coordinate Tier-2 Network deactivation and decommission of Transport SONET, OTN, DWDM transport devices. Write and maintain technical operational documentation and SOP for Transport discipline supporting the NOC. Develop and maintain Circuit Layout Records, Network Diagrams, and other supporting documentation. Review and provide feedback to network as-built, Engineering Development Plans, and configuration management drawings. Perform Transport Network Management functions in engineering and operations environment; operates as a technical SME. Work Tier-2 trouble escalations for SONET, OTN, and DWDM troubles. Trouble shoot and coordinate Tier-2 Network Implementations projects; services as technical POC for service Provisioning, configurations, and Test and Turn-up processes. Interface with Lead Engineers with network requirements and designs. Work and coordinate Tier-2 Network deactivation and decommission of Transport SONET, OTN, DWDM transport devices. Write and maintain technical operational documentation and SOP for Transport discipline supporting the NOC. Develop and maintain Circuit Layout Records, Network Diagrams, and other supporting documentation. Review and provide feedback to network as-built, Engineering Development Plans, and configuration management drawings.

What We Look For in a Candidate

Requires a Top Secret/SCI clearance. On-call after hours/on-call support as required. Expected to work in a shift environment in support of 24x7 operations. Up to 10% travel can be expected. Must have technical skills and experience in the OTN/SONET/DWDM profession. Operate and accomplish technical tasks with minimum guidance. Security+ or equivalent IAT/IAM/IASAE Level 2 of DOD 8570.1 is required. Preferred Qualifications: Bachelor’s degree or equivalent experience in an Information Technology field. At least 5 years of experience in a network management environment. Demonstrates a high level of proficiency in the OTN/SONET/DWDM profession and is required. Expertise in the uses of network management protocols, tools and products such as One Control, MCP, DNA, TNMS, Remedy. Fluent in the use of Microsoft Office tools to include Outlook, Excel, Word, PowerPoint, and Visio. Ciena OC-A certification is preferred. High level knowledge of DWDM, SONET, OTN, and TDM technology. On-call after hours/on-call support as required. Expected to work in a shift environment in support of 24x7 operations. Up to 10% travel can be expected. Must have technical skills and experience in the OTN/SONET/DWDM profession. Operate and accomplish technical tasks with minimum guidance. Security+ or equivalent IAT/IAM/IASAE Level 2 of DOD 8570.1 is required.

Compensation

This information reflects the anticipated base salary range for this position based on current national data. Minimums and maximums may vary based on location. Individual pay is based on skills, experience and other relevant factors.

Location Based Pay Ranges

$93,092 - $124,122 in these states: TX

Lumen offers a comprehensive package featuring a broad range of Health, Life, Voluntary Lifestyle benefits and other perks that enhance your physical, mental, emotional and financial wellbeing. We're able to answer any additional questions you may have about our bonus structure (short-term incentives, long-term incentives and/or sales compensation) as you move through the selection process.

Learn more about Lumen's: Benefits

#LI-Remote

What to Expect Next

Requisition #: 343110

Life at Lumen

Life at Lumen is human and connected, even in a fast moving, AI‑focused organization. We set clear expectations and trust people to meet them. With real support and shared accountability, teams collaborate better, move faster, and deliver meaningful outcomes.

Our Lumen 8 behaviors guide how we interact, make decisions, and work together, shaping a culture built to perform and win.

To learn more about Life at Lumen and how we live the Lumen 8, please visit:

Background Screening

If you are selected for a position, there will be a background screen, which may include checks for criminal records and/or motor vehicle reports and/or drug screening, depending on the position requirements. For more information on these checks, please refer to the Post Offer section of our FAQ page . Job-related concerns identified during the background screening may disqualify you from the new position or your current role. Background results will be evaluated on a case-by-case basis.

Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

Equal Employment Opportunities

We are committed to providing equal employment opportunities to all persons regardless of race, color, ancestry, citizenship, national origin, religion, veteran status, disability, genetic characteristic or information, age, gender, sexual orientation, gender identity, gender expression, marital status, family status, pregnancy, or other legally protected status (collectively, “protected statuses”). We do not tolerate unlawful discrimination in any employment decisions, including recruiting, hiring, compensation, promotion, benefits, discipline, termination, job assignments or training.

Privacy Notice

Lumen is committed to protecting the privacy and security of personal information collected during the recruitment and hiring process. Our Applicant Privacy Notice explains how we collect, use, disclose, and protect applicant information, as well as how individuals may request access to or deletion of their personal data.

To review Lumen’s Global Employment Applicant and Talent Community Privacy Notice, please visit:

Disclaimer

The job responsibilities described above indicate the general nature and level of work performed by employees within this classification. It is not intended to include a comprehensive inventory of all duties and responsibilities for this job. Job duties and responsibilities are subject to change based on evolving business needs and conditions.

In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.

Please be advised that Lumen does not require any form of payment from job applicants during the recruitment process. All legitimate job openings will be posted on our official website or communicated through official company email addresses. If you encounter any job offers that request payment in exchange for employment at Lumen, they are not for employment with us, but may relate to another company with a similar name.

Vacancy posted 9 hours ago
Similar jobs that could be interesting for youBased on the Senior IT Systems Engineer - Public Sector in Denver, CO vacancy
  • $165k - $216.56k

     ...Snowflake, your role isn't just to execute a function, but to help redefine the future of how work gets done.We are looking for a Senior Solution Engineer who is accustomed to solving customer’s most complex problems and closing large deals. In this role you will work directly... 
    Senior

    Snowflake

    Denver, CO
    3 days ago
  • $82.1k - $172.4k

    Job Title: Senior Systems IntegratorJob Category: Information TechnologyTime Type: Full timeMinimum...  ...owners, operations teams, and program engineers.Responsibilities:Lead integration and...  ...veteran, or any other protected characteristic.Department:Systems Architecture - IT
    Senior
    Contract work
    Work experience placement
    Flexible hours

    CACI International

    Denver, CO
    9 hours ago
  • $198k - $273k

     ...shared success where your work truly matters.Job SummaryAs a Senior Solutions Engineer at CyberArk, you will be at the forefront of demonstrating...  ....Represent CyberArk as a thought leader by engaging in public speaking, webinars, orindustry forums to educate and influence... 
    Senior
    Full time
    Remote work
    Visa sponsorship
    Work visa

    Palo Alto Networks

    Denver, CO
    1 day ago
  • $102.3k - $209.5k

     ...targeted diagnostics. Responsibilities Key Responsibilities Systems Software Development: Design, develop, and maintain...  ...maintain reliability and availability. Work closely with platform engineering, operations, firmware development, silicon/board vendors, and... 
    Senior
    Temporary work
    Immediate start
    Flexible hours
    Shift work

    Oracle

    Denver, CO
    3 days ago
  • $111.07k - $148.1k

     ...environments and to provide independent efforts to all aspects of system integration including design, analysis, design review, testing...  ...knowledge and experience in system architecture and engineering disciplines. •Recommends optimized solutions to support current... 
    Suggested
    Full time
    Temporary work
    Remote work
    1 day per week

    Lumen

    Thornton, CO
    2 days ago
  •  ...considered. #LI-REMOTE As a Sr. Solutions Engineer on the Digital Natives team, you will...  ...role Experience building distributed data systems Comfortable programming in, and debugging...  ...Python and SQL Have built solutions with public cloud providers such as AWS, Azure, or GCP... 
    Senior
    Remote work

    GrabJobs

    Aurora, CO
    1 day ago
  • $84k - $126k

     ...scoping, and solution validation for ATS and system integrations. Translate client business...  ...by providing feedback to Product and Engineering based on client experiences. Skills/Competencies...  ...outcomes. Experience collaborating with IT, Security, and Compliance teams in... 
    Senior

    Indeed

    Denver, CO
    4 days ago
  • $200k - $250k

     ...Job Description - Senior Solutions Engineer (2600007I) Job Description Senior Solutions Engineer - ( 2600007I ) Radware (NASDAQ: RDWR), a global...  ...Demonstrable experience with traditional hosting environments, public cloud platforms (AWS, Azure, GCP), and modern security... 
    Senior
    Temporary work
    Flexible hours

    Radware

    Denver, CO
    5 days ago
  • $127.5k - $185k

     ...and society. The Challenge We're looking for a Sr. Solutions Engineer (SE) that will report to the Solutions Engineering Manager. In...  ...across multiple stakeholder groups, including business leaders, IT teams, security teams, and executive sponsors. Strong communication... 
    Senior
    Work experience placement
    Work at office
    Local area
    Worldwide
    Flexible hours
    3 days per week
    1 day per week

    OneTrust

    Denver, CO
    a month ago
  • Amentum is seeking an experienced Senior Psychological Operations Plans/Ops Integrator to support U.S. Government clients. The role involves advising, coordinating, integrating, and assisting in all aspects of PSYOP planning, programming, execution, analysis, and assessment... 
    Senior

    Amentum

    Aurora, CO
    23 hours ago
  • $148.5k - $260.1k

     ...Passport, Passport Card, REAL Driver's License, Global Entry Card, U.S. Government CAC/PIV.Distributed Systems Software Engineer - GovCloud (Senior/Lead) Our Public Cloud engineering teams are responsible for innovating and maintaining a large scale distributed systems... 
    Senior
    Full time
    Local area

    Salesforce

    Denver, CO
    9 hours ago
  • CSG Systems Inc. d/b/a CSG in Englewood, CO seeks a Senior Solution Engineer to drive the technical close of sales in CX. You will work cross-functionally to create compelling solutions and messaging for target markets, assess product applicability, and build detailed... 
    Senior
    Remote job

    Agupdate

    Englewood, CO
    3 days ago
  • $120k - $140k

     ...contact centre and collaboration solutions with over 40 years of history, recognised internationally for transforming customer service systems with advanced omnichannel platforms, conversational AI, CRM integrations, and custom automation that help organisations meet rising... 
    Senior
    Full time
    Remote work
    Denver, CO
    more than 2 months ago
  •  ...84Reference26-00222 Job Title: ( Senior Software Quality Assurance Automation Engineer ) Are you a Senior Software Quality...  ...opportunity? Our client Public sector client is looking for a talented...  ...qualifications, merit, and business need.” It is the policy of Kyyba to provide... 
    Senior
    Visa sponsorship
    Work visa

    Kyyba

    Denver, CO
    1 day ago
  • Senior Customer Solutions Engineer, Streaming Media Fastly helps people stay better connected with the things they love. Fastly’s edge cloud platform...  ...Engineer) will have broad technical expertise including cloud, system, and Fastly architecture, along with scripting/software... 
    Senior

    Fastly

    Denver, CO
    3 days ago
  • $126.56k - $196.17k

     ...Senior Relationship Manager MissionSquare, founded in 1972, is dedicated to the retirement needs of public sector employees. Salary: $126,560.00 - $196,170.00. Locations: Colorado, Texas, or Missouri. Responsibilities Serve as the primary contact for strategic client accounts... 
    Senior
    Flexible hours

    LE_ICMA-RC International City Management Association Retirem...

    Denver, CO
    2 days ago
  • $160k - $200k

     ...government, research, education, transportation, and enterprise IT trust Quantum to bring their data to life, because data...  ...more information, visit We are seeking a high-caliber Senior Systems Software Engineer to join our Core Storage Team. In this role, you will be... 
    Senior
    Work at office
    Local area
    Remote work

    Quantum US

    Englewood, CO
    more than 2 months ago
  • $126.56k - $196.17k

     ...in 1972, MissionSquare is dedicated to the retirement needs of public sector employees. We focus on delivering results-oriented retirement...  ...joining MissionSquare.$126,560.00 - $196,170.00Job DescriptionThe Senior Relationship Manager leads strategic client engagements,... 
    Senior

    MissionSquare

    Denver, CO
    5 days ago
  • $120k - $170k

     ...position is contingent upon contract award* Amentum is seeking experienced Psychological Operations (PSYOP) Plans/Ops Integrator (Senior) to support U.S. Government clients. The role involves advising, coordinating, integrating, and assisting in all aspects of Psychological... 
    Senior
    Hourly pay
    Contract work
    Local area

    Amentum

    Aurora, CO
    23 hours ago
  • Enavate is seeking a Senior Sales Engineer in Denver, CO to drive client success through the Microsoft Dynamics 365 Business Central ecosystem. This hybrid role requires 5+ years in sales or solution consulting and expertise in Business Central. Responsibilities include... 
    Senior
    Remote job

    Enavate

    Denver, CO
    2 days ago
  • $99k - $225k

     ...global challenges. Across private and public sectors—from fraud detection to cancer research...  ...lead the development of algorithms and systems. You’ll use the right combination of tools...  ...modeling, data mining, data engineering, or data warehousing, Master's degree and... 
    Senior
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Aurora, CO
    2 days ago
  • $99k - $225k

     ...global challenges. Across private and public sectors—from fraud detection to cancer research...  ...lead the development of algorithms and systems. You’ll use the right combination of tools...  ...modeling, data mining, data engineering, or data warehousing, or 12+ years of experience... 
    Senior
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Aurora, CO
    3 days ago
  • $124.6k - $255.9k

     ...Solutions (DCHS) is seeking a Senior Research Leader to drive innovative...  ...relevant to health care systems, health payers, and policy issues...  ...that impact the health care sector and the life sciences & health...  ...the intersection of commercial, public sector, academic, and business... 
    Senior

    Deloitte

    Denver, CO
    3 days ago
  • $98.59k - $173.58k

     ...business structure, associated workflows, third party business systems, and integration points. Share knowledge and coach new team members...  ..., or related industriesBroad knowledge of ArcGIS from an IT context (such as hardware, storage, security, networking, web services... 
    Senior

    ESRI

    Denver, CO
    9 hours ago
  • $102.17k

     ...delivers value and impact to public sector clients across the...  ...Security Team as a Senior Cyber Security Analyst...  ...protect critical software systems that support water...  ...will work closely with engineering and development teams...  ...applications. • Partner with IT and software... 
    Senior
    Work experience placement
    H1b

    Trinnex

    Denver, CO
    3 days ago
  • Legion Technical Solutions is seeking a Senior Principal Systems Engineer to support a premier national security space program in Aurora, CO. You will lead system architecture, requirements elaboration, and large-scale integration across multidisciplinary teams to deliver... 
    Senior

    Legion Technical Solutions LLC

    Aurora, CO
    2 days ago
  • $141k - $185k

     ...currently seeking a Water / Wastewater Senior Project Engineer to work in our Denver, CO office on...  ...projects locally and nationwide for public sector utility clients. This position offers...  ...subconsultants.Perform data analysis, system modeling, and hydraulic calculations... 
    Senior
    Full time
    Temporary work
    For contractors
    Work at office
    Local area
    Flexible hours

    Dewberry

    Denver, CO
    3 days ago
  • $209.1k - $275.1k

     ...TeamJoin a team of Cisco Solutions Engineers! These technically skilled,...  ...- Leads engagements with IT & decision makers at customer/...  ...architectural solutionsBuilds senior executives' technical strategyIntegrates...  ...leadership role (e.g., public speaking, writing technical blogs... 
    Senior
    Full time
    Temporary work
    Local area
    Remote work
    Flexible hours

    CISCO Systems

    Denver, CO
    4 hours ago
  • $140k - $160k

     ...where most firms struggle. Our clients are public sector agencies navigating enterprise-scale...  ...two half-roles stitched together.It’sa senior-level position for a seasoned professional...  ...risks, and opportunities associated with system and operational changes Translate... 
    Senior
    Temporary work
    Immediate start
    Remote work
    Shift work

    GrabJobs

    Aurora, CO
    4 days ago
  • $33.81 - $55.72 per hour

     ...understanding of GASB and government fund accounting, client’s business systems and industry requirements4+ years of governmental accounting or...  ...and using financial reports in a professional service firm (public accounting), government or school districtTechnology skills... 
    Senior
    Full time
    Local area
    Flexible hours
    Night shift

    P&M Corporate Finance

    Denver, CO
    9 hours ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior IT Systems Engineer - Public Sector. Be the first to apply!