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Aurora, Colorado, United States · On-site
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Aurora, Colorado, United States · On-site
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Aurora, Colorado, United States · On-site
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Aurora, Colorado, United States · Hybrid
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Aurora, Colorado, United States · On-site
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Aurora, Colorado, United States · On-site
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Aurora, Colorado, United States · Remote OK
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Aurora, Colorado, United States · On-site
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Aurora, Colorado, United States · On-site
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Northrop Grumman Mission Systems, Inc.Aurora, Colorado, United States · On-site
$92k–$171k/yr
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opport…
Skills: Python, JavaScript, TypeScript, REST APIs, Claude
Aurora, Colorado, United States · On-site
$92k–$171k/yr
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opport…
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The engineer will provide Tier III operations and maintenance support for WAN and LAN networks, including incident resolution and configuration changes. They will also act as a subject matter expert to optimize network topologies and ensure compliance with open systems architecture standards.
Candidates must possess an active TS/SCI CI Poly clearance and meet DoD 8570 IAT Level 2 compliance. A minimum of 16 years of combined work and education experience is required, along with proficiency in routing, switching, and boundary protection technologies.
The Digital Modernization Sector at Leidos has an opening for a Tier III Network operations and maintenance (O&M) engineer to support the customer’s various WAN and LAN networks. Will provide incident resolution, routing changes, firewall changes; act as subject matter expert in WAN and LAN technologies; support customer’s intra- and inter- net and other data communications systems or segments of networked system.
Basic Qualifications:
• TS SCI CI Poly
• Candidate must have 16 years of experience that can be a combination of work history and education. This equates to a Doctorate and 8 years, master’s and 10 years, bachelor’s and 12 years, associates and 14 years or HS diploma and 16 years.
• Must comply with DoD 8570 Information Assurance Technical (IAT) Level 2.
• Experience in configuring and troubleshooting boundary protection technologies such as Palo Alto, Cisco ASA, and Forcepoint appliances
• Experience with configuring and troubleshooting Juniper and Cisco routers and switches.
• Experience with protocols such as OSPF, BGP, VPN’s, VRF’s, MPLS.
• Working knowledge of boundary protection best practices
• Understanding of routing, switching, Internet Protocol (IP) subnet, Network Address Translation (NAT) and security technologies
• Demonstrated ability to engineer and modify rulesets to allow connectivity for new customer requirements
• Demonstrated ability to read, understand, and develop schematic diagrams, technical manuals, and documentation such that the supported equipment and software can be maintained with minimal training
• Working knowledge of Service Now or similar IT Service Management (ITSM) products
• Superior verbal and written communication skills
• Intermediate-level knowledge of MS Office products Word, Excel, PowerPoint, and Visio
All candidates must possess an active TS/SCI CI Poly at time of consideration.
Broadside
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
An industry & technology leader serving government & commercial customers with smarter, more efficient innovations
Leidos is an industry and technology leader serving government & commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead, visit careers.leidos.com for our latest opportunities.
Offices: 1750 Presidents St, Reston, Virginia 20190, US · 11955 Freedom Drive, Reston, VA 20190, US · 1145 N 2nd St, Leavenworth, KS 66048, US · 9600 Great Hills Trail, Austin, TX 78759, US · 221 3rd St, Newport, RI 02840, US
Based on 529 listings with disclosed salaries, most government & public sector jobs in Aurora, CO pay between $69k–$207k per year. Individual offers vary with seniority, company size, and specialization.
There are currently 613 open government & public sector positions in Aurora, CO listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Northrop Grumman, Northrop Grumman Mission Systems, Inc., Booz Allen Hamilton, RTX, CACI International Inc, among others. Browse the listings above to see every active employer.
Yes — 97 of the 613 open government & public sector positions offer remote or hybrid work (9 remote, 88 hybrid).
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